Shift Cost Model
Exploration
Cost calculator
Pricing simulator
Airport classification
Airport classification
Airport classification
K-Means (k<=4) on standardized features maps airports to Small / Medium / Large / Extra Large tiers using all available warehouse throughput. Use charts to sanity-check separation.
Cluster profiles (feature means)
Per-cluster means in original units (not z-scores).
| Tier | Airports | total passengers (mean) | peak hour passengers (mean) | checkpoint count (mean) | mean passengers per checkpoint (mean) |
|---|---|---|---|---|---|
| Small | 362 | 693,107.6 | 310.5 | 1.0 | 672,128.2 |
| Medium | 14 | 6,425,979.3 | 1,598.6 | 2.4 | 2,652,946.2 |
| Large | 35 | 12,848,967.7 | 2,688.7 | 2.7 | 5,814,049.7 |
| Extra Large | 21 | 44,294,458.8 | 6,923.8 | 8.4 | 6,170,821.8 |
Airports: total passengers vs peak hour (bubble size = checkpoints)
PCA view (first two components on z-scored features)
Exploratory separation; axes are PCA dimensions, not raw units.
Feature relevance (ANOVA F vs cluster label)
Higher F suggests the feature separates clusters more strongly.
Feature relevance (mutual information)
Nonlinear association of each feature with the cluster assignment.
Airports
432
All available data in the warehouse.
Clusters (k)
4
Up to four tiers.
Silhouette
0.649
Higher is more separated (valid for k>=2).
Calinski-Harabasz
270
Variance ratio, higher is better.
Davies-Bouldin
0.951
Lower is better.
Airports by tier
| IATA | Name | Tier | Total pax | Peak hour | Checkpoints | Peak / avg hourly |
|---|---|---|---|---|---|---|
| ABE | Lehigh Valley International | Small | 1,185,084 | 491 | 1 | 4.84 |
| ABI | Abilene Regional | Small | 229,917 | 132 | 1 | 5.89 |
| ABQ | Albuquerque International Sunport | Small | 5,517,611 | 1,371 | 1 | 3.62 |
| ABR | Aberdeen Regional | Small | 55,125 | 141 | 2 | 3.72 |
| ABY | Southwest Georgia Regional | Small | 75,978 | 89 | 1 | 3.17 |
| ACK | Nantucket Memorial | Small | 290,832 | 379 | 1 | 8.03 |
| ACT | Waco Regional | Small | 113,881 | 118 | 1 | 3.45 |
| ACV | California Redwood Coast-Humboldt County | Small | 290,518 | 185 | 1 | 3.84 |
| ADK | Adak | Small | 5,586 | 80 | 1 | 3.48 |
| ADQ | Kodiak | Small | 162,816 | 174 | 1 | 3.87 |
| AEX | Alexandria International | Small | 211,815 | 209 | 1 | 5.96 |
| AGS | Augusta Regional at Bush Field | Small | 688,298 | 450 | 1 | 7.20 |
| AIA | Alliance Municipal | Small | 8,107 | 15 | 1 | 2.29 |
| AKN | King Salmon | Small | 47,670 | 161 | 1 | 3.90 |
| ALB | Albany International | Small | 3,363,419 | 1,177 | 1 | 4.58 |
| ALO | Waterloo Regional | Small | 35,203 | 96 | 1 | 5.15 |
| ALS | San Luis Valley Regional/Bergman Field | Small | 25,448 | 81 | 1 | 5.12 |
| ALW | Walla Walla Regional | Small | 82,171 | 130 | 1 | 5.18 |
| AMA | Rick Husband Amarillo International | Small | 888,795 | 387 | 1 | 5.02 |
| AOO | Altoona/Blair County | Small | 16,036 | 34 | 1 | 2.56 |
| APN | Alpena County Regional | Small | 26,108 | 69 | 1 | 3.21 |
| ART | Watertown International | Small | 55,238 | 59 | 1 | 3.30 |
| ASE | Aspen-Pitkin County/Sardy Field | Small | 751,262 | 384 | 1 | 4.84 |
| ATW | Appleton International | Small | 1,238,732 | 563 | 1 | 4.88 |
| ATY | Watertown Regional | Small | 27,268 | 62 | 2 | 3.70 |
| AUG | Augusta State | Small | 9,661 | 11 | 1 | 3.27 |
| AVL | Asheville Regional | Small | 2,446,767 | 708 | 1 | 3.37 |
| AVP | Wilkes-Barre/Scranton International | Small | 564,290 | 272 | 1 | 5.10 |
| AZO | Kalamazoo/Battle Creek International | Small | 209,595 | 174 | 1 | 6.75 |
| BBG | Branson | Small | 3,169 | 104 | 1 | 3.08 |
| BET | Bethel | Small | 171,490 | 186 | 1 | 2.80 |
| BFD | Bradford Regional | Small | 6,769 | 14 | 1 | 3.98 |
| BFF | Western Nebraska Regional/William B Heilig Field | Small | 27,856 | 52 | 1 | 2.26 |
| BFL | Meadows Field | Small | 456,580 | 362 | 1 | 6.51 |
| BFM | Mobile International | Small | 8,287 | 182 | 1 | 5.27 |
| BGM | Greater Binghamton/Edwin A Link Field | Small | 41,328 | 132 | 1 | 5.56 |
| BGR | Bangor International | Small | 904,046 | 465 | 1 | 5.61 |
| BHB | Hancock County/Bar Harbor | Small | 21,184 | 26 | 1 | 3.85 |
| BHM | Birmingham-Shuttlesworth International | Small | 3,519,540 | 1,123 | 1 | 3.62 |
| BIH | Bishop | Small | 23,866 | 89 | 1 | 3.25 |
| BIL | Billings Logan International | Small | 1,064,193 | 475 | 1 | 5.33 |
| BIS | Bismarck Municipal | Small | 641,207 | 229 | 1 | 3.88 |
| BJI | Bemidji Regional | Small | 64,126 | 123 | 1 | 5.62 |
| BKW | Raleigh County Memorial | Small | 9,917 | 28 | 1 | 3.91 |
| BLI | Bellingham International | Small | 526,507 | 340 | 1 | 5.61 |
| BLV | Scott AFB/Midamerica St Louis | Small | 351,178 | 313 | 1 | 4.47 |
| BMI | Central Illinois Regional/Bloomington-Normal | Small | 356,834 | 203 | 1 | 5.24 |
| BOI | Boise Air Terminal/Gowen Field | Small | 5,291,694 | 1,251 | 1 | 3.30 |
| BPT | Jack Brooks Regional | Small | 73,663 | 85 | 1 | 1.65 |
| BQK | Brunswick Golden Isles | Small | 109,010 | 242 | 1 | 4.02 |
| BQN | Rafael Hernandez | Small | 865,689 | 381 | 1 | 3.79 |
| BRD | Brainerd Lakes Regional | Small | 35,171 | 180 | 1 | 6.49 |
| BRL | Southeast Iowa Regional | Small | 9,634 | 29 | 1 | 5.89 |
| BRO | Brownsville/South Padre Island International | Small | 359,089 | 209 | 1 | 4.90 |
| BRW | Wiley Post-Will Rogers Memorial | Small | 75,375 | 198 | 1 | 2.79 |
| BTM | Bert Mooney | Small | 43,267 | 111 | 1 | 3.84 |
| BTR | Baton Rouge Metropolitan, Ryan Field | Small | 941,402 | 765 | 1 | 9.05 |
| BTV | Burlington International | Small | 1,541,572 | 747 | 1 | 8.31 |
| BUF | Buffalo Niagara International | Small | 5,469,885 | 1,527 | 1 | 3.69 |
| BZN | Bozeman Yellowstone International | Small | 2,881,771 | 1,140 | 1 | 4.62 |
| CAE | Columbia Metropolitan | Small | 1,514,828 | 525 | 1 | 4.11 |
| CAK | Akron-Canton Regional | Small | 891,653 | 428 | 1 | 5.55 |
| CDC | Cedar City Regional | Small | 35,352 | 70 | 1 | 2.91 |
| CDR | Chadron Municipal | Small | 2,781 | 10 | 1 | 2.89 |
| CDV | Merle K (Mudhole) Smith | Small | 40,210 | 139 | 1 | 5.99 |
| CEC | Jack Mc Namara Field | Small | 13,878 | 54 | 1 | 3.25 |
| CEZ | Cortez Municipal | Small | 16,880 | 17 | 1 | 2.72 |
| CGI | Cape Girardeau Regional | Small | 19,553 | 36 | 1 | 2.23 |
| CHA | Lovell Field | Small | 1,316,646 | 418 | 1 | 3.93 |
| CHO | Charlottesville-Albemarle | Small | 762,260 | 265 | 1 | 3.96 |
| CHS | Charleston AFB/International | Small | 6,427,952 | 1,693 | 1 | 3.42 |
| CID | The Eastern Iowa | Small | 1,642,157 | 540 | 1 | 4.04 |
| CIU | Chippewa County International | Small | 62,464 | 78 | 1 | 2.34 |
| CKB | North Central West Virginia | Small | 83,435 | 164 | 1 | 6.00 |
| CLL | Easterwood Field | Small | 150,499 | 119 | 1 | 4.15 |
| CMI | University Of Illinois/Willard | Small | 185,506 | 344 | 1 | 10.49 |
| CMX | Houghton County Memorial | Small | 60,515 | 122 | 1 | 4.88 |
| CNY | Canyonlands Regional | Small | 24,088 | 42 | 1 | 2.81 |
| COD | Yellowstone Regional | Small | 81,882 | 77 | 1 | 2.83 |
| COS | City Of Colorado Springs Municipal | Small | 2,640,161 | 793 | 1 | 3.57 |
| COU | Columbia Regional | Small | 252,394 | 182 | 1 | 4.36 |
| CPR | Casper/Natrona County International | Small | 211,530 | 110 | 1 | 3.32 |
| CRP | Corpus Christi International | Small | 873,665 | 303 | 1 | 4.14 |
| CRQ | McClellan-Palomar | Small | 38,680 | 168 | 1 | 3.04 |
| CRW | West Virginia International Yeager | Small | 478,008 | 223 | 1 | 4.78 |
| CSG | Columbus | Small | 100,018 | 211 | 1 | 3.39 |
| CVN | Clovis Regional | Small | 22,252 | 50 | 1 | 2.74 |
| CWA | Central Wisconsin | Small | 197,264 | 197 | 1 | 5.82 |
| CYS | Cheyenne Regional/Jerry Olson Field | Small | 60,548 | 51 | 1 | 2.34 |
| DAB | Daytona Beach International | Small | 776,250 | 338 | 1 | 3.99 |
| DAY | James M Cox Dayton International | Small | 1,453,909 | 583 | 1 | 4.77 |
| DBQ | Dubuque Regional | Small | 14,959 | 179 | 1 | 9.74 |
| DDC | Dodge City Regional | Small | 18,106 | 50 | 1 | 3.35 |
| DEC | Decatur | Small | 25,787 | 52 | 1 | 3.74 |
| DHN | Dothan Regional | Small | 103,273 | 113 | 1 | 3.78 |
| DIK | Dickinson/Theodore Roosevelt Regional | Small | 52,642 | 56 | 1 | 2.87 |
| DLG | Dillingham | Small | 53,066 | 181 | 1 | 3.90 |
| DLH | Duluth International | Small | 305,124 | 241 | 1 | 7.49 |
| DRO | Durango-La Plata County | Small | 592,818 | 247 | 1 | 4.50 |
| DSM | Des Moines International | Small | 3,320,237 | 1,053 | 1 | 4.00 |
| DUJ | Dubois Regional | Small | 10,600 | 18 | 1 | 5.23 |
| DVL | Devils Lake Regional | Small | 21,136 | 63 | 1 | 4.83 |
| EAR | Kearney Regional | Small | 39,497 | 90 | 1 | 2.75 |
| EAT | Pangborn Memorial | Small | 92,825 | 122 | 1 | 3.48 |
| EAU | Chippewa Valley Regional | Small | 45,257 | 145 | 1 | 4.40 |
| ECP | Northwest Florida Beaches International | Small | 1,934,237 | 759 | 1 | 4.34 |
| EGE | Eagle County Regional | Small | 638,198 | 697 | 1 | 7.05 |
| EKO | Elko Regional | Small | 29,893 | 187 | 1 | 5.26 |
| ELM | Elmira/Corning Regional | Small | 204,320 | 179 | 1 | 4.24 |
| ELP | El Paso International | Small | 4,111,519 | 930 | 1 | 3.88 |
| ERI | Erie International/Tom Ridge Field | Small | 123,259 | 142 | 1 | 5.44 |
| ESC | Delta County | Small | 34,942 | 69 | 1 | 2.76 |
| EUG | Mahlon Sweet Field | Small | 1,766,065 | 695 | 1 | 4.66 |
| EVV | Evansville Regional | Small | 477,104 | 260 | 1 | 5.43 |
| EWB | New Bedford Regional | Small | 55 | 10 | 1 | 43.82 |
| EWN | Coastal Carolina Regional | Small | 196,940 | 195 | 1 | 8.20 |
| EYW | Key West International | Small | 1,669,334 | 632 | 1 | 4.27 |
| FAI | Fairbanks International | Small | 1,137,865 | 316 | 1 | 4.54 |
| FAR | Hector International | Small | 1,214,648 | 383 | 1 | 3.68 |
| FAT | Fresno Yosemite International | Small | 2,931,848 | 825 | 1 | 4.82 |
| FAY | Fayetteville Regional/Grannis Field | Small | 370,278 | 163 | 1 | 4.61 |
| FLG | Flagstaff Pulliam | Small | 172,697 | 116 | 1 | 3.79 |
| FLO | Florence Regional | Small | 57,760 | 57 | 1 | 3.02 |
| FMN | Four Corners Regional | Small | 7,978 | 46 | 1 | 2.62 |
| FNL | Northern Colorado Regional | Small | 1,079 | 179 | 2 | 4.98 |
| FNT | Bishop International | Small | 721,936 | 407 | 1 | 5.92 |
| FOD | Fort Dodge Regional | Small | 17,519 | 54 | 1 | 3.75 |
| FSD | Joe Foss Field | Small | 1,629,371 | 504 | 2 | 3.97 |
| FSM | Fort Smith Regional | Small | 135,514 | 91 | 1 | 3.14 |
| FWA | Fort Wayne International | Small | 1,011,265 | 358 | 1 | 4.01 |
| GCC | Northeast Wyoming Regional | Small | 64,051 | 63 | 1 | 2.79 |
| GCK | Garden City Regional | Small | 73,595 | 82 | 1 | 2.89 |
| GDV | Dawson Communicipalty | Small | 4,098 | 10 | 1 | 3.38 |
| GFK | Grand Forks International | Small | 198,642 | 207 | 1 | 5.38 |
| GGG | East Texas Regional | Small | 81,476 | 126 | 1 | 4.79 |
| GGW | Wokal Field/Glasgow-Valley County | Small | 5,853 | 12 | 1 | 2.79 |
| GJT | Grand Junction Regional | Small | 653,359 | 307 | 1 | 4.86 |
| GLH | Greenville Mid-Delta | Small | 14,394 | 47 | 1 | 2.50 |
| GNV | Gainesville Regional | Small | 611,299 | 256 | 1 | 4.79 |
| GPI | Glacier Park International | Small | 1,123,451 | 684 | 1 | 6.63 |
| GPT | Gulfport-Biloxi International | Small | 971,255 | 371 | 1 | 4.49 |
| GRB | Green Bay/Austin Straubel International | Small | 768,937 | 448 | 2 | 6.07 |
| GRI | Central Nebraska Regional | Small | 159,664 | 410 | 1 | 4.69 |
| GRK | Robert Gray AAF | Small | 218,938 | 151 | 2 | 4.72 |
| GRR | Gerald R Ford International | Small | 4,650,136 | 1,303 | 1 | 3.41 |
| GSN | Francisco C Ada/Saipan International | Small | 469,302 | 326 | 1 | 8.51 |
| GSO | Piedmont Triad International | Small | 2,319,316 | 752 | 2 | 3.87 |
| GSP | Greenville Spartanburg International | Small | 2,992,653 | 853 | 1 | 3.67 |
| GST | Gustavus | Small | 12,934 | 142 | 1 | 3.19 |
| GTF | Great Falls International | Small | 416,200 | 246 | 1 | 4.58 |
| GTR | Golden Triangle Regional | Small | 112,432 | 378 | 1 | 5.80 |
| GUC | Gunnison-Crested Butte Regional | Small | 132,440 | 190 | 1 | 5.52 |
| GUM | Guam International | Small | 2,501,109 | 841 | 1 | 5.78 |
| HDN | Yampa Valley | Small | 479,859 | 677 | 1 | 8.08 |
| HGR | Hagerstown Regional/Richard A Henson Field | Small | 85,135 | 177 | 1 | 2.58 |
| HIB | Range Regional | Small | 29,459 | 141 | 1 | 6.04 |
| HLN | Helena Regional | Small | 223,515 | 211 | 1 | 5.67 |
| HOB | Lea County Regional | Small | 61,198 | 100 | 1 | 2.40 |
| HRL | Valley International | Small | 1,104,186 | 308 | 1 | 3.33 |
| HSV | Huntsville International-Carl T Jones Field | Small | 1,787,779 | 1,022 | 1 | 6.41 |
| HTS | Tri-State/Milton J Ferguson Field | Small | 228,751 | 205 | 1 | 5.30 |
| HVN | Tweed/New Haven | Small | 1,337,851 | 564 | 1 | 3.91 |
| HVR | Havre City-County | Small | 6,236 | 13 | 1 | 2.85 |
| HXD | Hilton Head | Small | 241,696 | 311 | 1 | 6.06 |
| HYA | Cape Cod Gateway | Small | 48,570 | 213 | 1 | 12.16 |
| HYS | Hays Regional | Small | 33,540 | 65 | 1 | 2.43 |
| IAG | Niagara Falls International | Small | 127,754 | 181 | 1 | 2.74 |
| ICT | Wichita Dwight D Eisenhower National | Small | 1,995,612 | 640 | 1 | 3.83 |
| IDA | Idaho Falls Regional | Small | 721,783 | 375 | 1 | 5.15 |
| IFP | Laughlin/Bullhead International | Small | 154,813 | 225 | 1 | 2.98 |
| ILG | New Castle | Small | 302,181 | 285 | 1 | 4.42 |
| ILM | Wilmington International | Small | 1,773,753 | 566 | 1 | 3.93 |
| IMT | Ford | Small | 43,620 | 86 | 1 | 3.67 |
| INL | Falls International/Einarson Field | Small | 33,523 | 183 | 1 | 7.26 |
| IPL | Imperial County | Small | 7,765 | 14 | 1 | 3.83 |
| IPT | Williamsport Regional | Small | 4,612 | 17 | 1 | 3.26 |
| IRK | Kirksville Regional | Small | 11,340 | 33 | 1 | 3.50 |
| ISP | Long Island Mac Arthur | Small | 1,674,900 | 643 | 1 | 4.56 |
| ITH | Ithaca Tompkins International | Small | 156,550 | 113 | 1 | 3.13 |
| ITO | Hilo International | Small | 1,478,847 | 591 | 1 | 4.74 |
| IWA | Phoenix-Mesa Gateway | Small | 2,025,362 | 956 | 1 | 5.00 |
| IWD | Gogebic/Iron County | Small | 15,371 | 56 | 1 | 4.39 |
| JAC | Jackson Hole | Small | 1,143,137 | 877 | 1 | 6.59 |
| JAN | Jackson-Medgar Wiley Evers International | Small | 1,442,138 | 482 | 2 | 3.55 |
| JKA | Gulf Shores International/Jack Edwards Field | Small | 37,454 | 143 | 1 | 3.04 |
| JLN | Joplin Regional | Small | 47,025 | 68 | 1 | 3.36 |
| JMS | Jamestown Regional | Small | 21,217 | 53 | 1 | 3.04 |
| JNU | Juneau International | Small | 674,808 | 379 | 1 | 7.60 |
| JQF | Concord-Padgett Regional | Small | 335,992 | 296 | 1 | 4.25 |
| JST | John Murtha Johnstown/Cambria County | Small | 38,495 | 64 | 1 | 2.40 |
| KOA | Ellison Onizuka Kona International at Keahole | Small | 4,120,228 | 1,026 | 1 | 3.25 |
| KTN | Ketchikan International | Small | 289,994 | 195 | 1 | 6.20 |
| LAF | Purdue University | Small | 13,259 | 55 | 1 | 7.21 |
| LAL | Lakeland Linder International | Small | 114,548 | 185 | 1 | 3.01 |
| LAN | Capital Region International | Small | 273,997 | 235 | 1 | 9.09 |
| LAR | Laramie Regional | Small | 38,178 | 58 | 1 | 3.99 |
| LAW | Lawton-Fort Sill Regional | Small | 91,095 | 111 | 1 | 2.80 |
| LBB | Lubbock Preston Smith International | Small | 1,302,834 | 953 | 1 | 8.38 |
| LBE | Arnold Palmer Regional | Small | 143,071 | 208 | 1 | 3.44 |
| LBF | North Platte Regional/Lee Bird Field | Small | 32,677 | 62 | 1 | 2.29 |
| LBL | Liberal Mid-America Regional | Small | 18,068 | 49 | 1 | 3.13 |
| LCH | Lake Charles Regional | Small | 239,219 | 230 | 1 | 6.60 |
| LCK | Rickenbacker International | Small | 315,730 | 342 | 1 | 4.73 |
| LEB | Lebanon Municipal | Small | 13,034 | 44 | 1 | 10.45 |
| LEX | Blue Grass | Small | 1,760,589 | 550 | 1 | 3.83 |
| LFT | Lafayette Regional/Paul Fournet Field | Small | 631,160 | 223 | 1 | 3.86 |
| LGB | Long Beach (Daugherty Field) | Small | 3,926,275 | 1,256 | 1 | 5.50 |
| LIT | Bill and Hillary Clinton National/Adams Field | Small | 2,691,911 | 687 | 1 | 3.14 |
| LNK | Lincoln | Small | 287,279 | 126 | 1 | 4.08 |
| LNS | Lancaster | Small | 27,841 | 160 | 1 | 15.68 |
| LRD | Laredo International | Small | 310,858 | 183 | 1 | 4.47 |
| LSE | La Crosse Regional | Small | 90,706 | 148 | 1 | 5.74 |
| LWB | Greenbrier Valley | Small | 18,172 | 111 | 1 | 12.68 |
| LWS | Lewiston/Nez Perce County | Small | 97,734 | 105 | 1 | 3.11 |
| LYH | Lynchburg Regional/Preston Glenn Field | Small | 164,463 | 123 | 1 | 2.84 |
| MAF | Midland International Air And Space Port | Small | 1,716,742 | 472 | 1 | 3.33 |
| MBL | Manistee County/Blacker | Small | 15,471 | 36 | 1 | 3.58 |
| MBS | MBS International | Small | 250,194 | 160 | 1 | 7.05 |
| MCE | Merced Regional/Macready Field | Small | 5,477 | 19 | 1 | 3.98 |
| MCK | Mc Cook Ben Nelson Regional | Small | 5,201 | 10 | 1 | 2.35 |
| MCN | Middle Georgia Regional | Small | 31,908 | 198 | 1 | 7.97 |
| MCW | Mason City Municipal | Small | 16,752 | 54 | 1 | 5.82 |
| MDT | Harrisburg International | Small | 1,772,365 | 598 | 1 | 4.11 |
| MEI | Key Field | Small | 40,237 | 66 | 1 | 2.03 |
| MFE | Mc Allen Miller International | Small | 1,339,256 | 432 | 1 | 4.08 |
| MFR | Rogue Valley International - Medford | Small | 1,151,623 | 626 | 1 | 6.31 |
| MGM | Montgomery Regional (Dannelly Field) | Small | 468,592 | 212 | 1 | 4.45 |
| MGW | Morgantown Municipal (Walter L Bill Hart Field) | Small | 23,739 | 49 | 1 | 4.45 |
| MHK | Manhattan Regional | Small | 169,377 | 152 | 1 | 3.55 |
| MHT | Manchester Boston Regional | Small | 1,437,306 | 510 | 1 | 4.02 |
| MKG | Muskegon County | Small | 10,194 | 49 | 1 | 6.19 |
| MKL | Mc Kellar-Sipes Regional | Small | 10,996 | 44 | 1 | 5.37 |
| MLB | Melbourne Orlando International | Small | 858,542 | 496 | 1 | 6.36 |
| MLI | Quad Cities International | Small | 713,203 | 277 | 1 | 4.29 |
| MLU | Monroe Regional | Small | 250,362 | 170 | 1 | 3.99 |
| MOB | Mobile Regional | Small | 744,545 | 264 | 1 | 3.69 |
| MOT | Minot International | Small | 377,806 | 269 | 1 | 4.76 |
| MRY | Monterey Regional | Small | 687,881 | 262 | 1 | 4.72 |
| MSL | Northwest Alabama Regional | Small | 15,381 | 34 | 1 | 2.27 |
| MSN | Dane County Regional/Truax Field | Small | 2,524,099 | 742 | 2 | 3.47 |
| MSO | Missoula Montana | Small | 1,101,254 | 612 | 1 | 6.01 |
| MSS | Massena International-Richards Field | Small | 12,550 | 11 | 1 | 1.84 |
| MTJ | Montrose Regional | Small | 546,877 | 463 | 1 | 4.60 |
| MVY | Martha's Vineyard | Small | 172,344 | 296 | 1 | 8.18 |
| MWA | Veterans Airport Of Southern Illinois | Small | 25,067 | 35 | 1 | 1.85 |
| MYR | Myrtle Beach International | Small | 3,835,925 | 1,259 | 1 | 4.31 |
| NYL | Yuma MCAS/Yuma International | Small | 179,379 | 135 | 1 | 3.25 |
| OAJ | Albert J Ellis | Small | 349,347 | 165 | 1 | 5.02 |
| OGD | Ogden-Hinckley | Small | 27,313 | 135 | 1 | 3.76 |
| OGS | Ogdensburg International | Small | 23,794 | 112 | 1 | 5.75 |
| OKC | Will Rogers World | Small | 4,733,257 | 1,345 | 1 | 3.61 |
| OLF | L M Clayton | Small | 6,239 | 14 | 1 | 3.11 |
| OME | Nome | Small | 95,131 | 173 | 1 | 2.80 |
| ORH | Worcester Regional | Small | 229,606 | 212 | 1 | 4.06 |
| OTH | Southwest Oregon Regional | Small | 50,861 | 190 | 1 | 5.81 |
| OTZ | Ralph Wien Memorial | Small | 72,792 | 134 | 1 | 4.18 |
| OWB | Owensboro/Daviess County Regional | Small | 18,673 | 39 | 1 | 2.64 |
| PAE | Snohomish County (Paine Field) | Small | 600,856 | 399 | 1 | 5.30 |
| PAH | Barkley Regional | Small | 25,782 | 137 | 1 | 6.54 |
| PBG | Plattsburgh International | Small | 186,408 | 310 | 1 | 7.61 |
| PGA | Page Municipal | Small | 21,262 | 32 | 1 | 2.03 |
| PGD | Punta Gorda | Small | 2,177,116 | 857 | 1 | 4.09 |
| PGV | Pitt-Greenville | Small | 95,462 | 157 | 1 | 7.51 |
| PHF | Newport News/Williamsburg International | Small | 142,580 | 125 | 1 | 10.14 |
| PIA | General Downing - Peoria International | Small | 813,235 | 383 | 1 | 5.27 |
| PIB | Hattiesburg/Laurel Regional | Small | 32,523 | 74 | 1 | 3.05 |
| PIE | St Pete-Clearwater International | Small | 2,682,126 | 879 | 2 | 3.62 |
| PIH | Pocatello Regional | Small | 52,313 | 95 | 1 | 4.38 |
| PIR | Pierre Regional | Small | 31,222 | 58 | 2 | 2.41 |
| PKB | Mid-Ohio Valley Regional | Small | 13,271 | 27 | 1 | 2.73 |
| PLN | Pellston Regional/Emmet County | Small | 71,008 | 149 | 1 | 3.97 |
| PNS | Pensacola International | Small | 3,351,277 | 855 | 1 | 3.24 |
| PPG | Pago Pago International | Small | 70,547 | 216 | 1 | 2.49 |
| PQI | Presque Isle International | Small | 47,952 | 91 | 1 | 4.76 |
| PRC | Prescott Regional - Ernest A Love Field | Small | 56,776 | 52 | 1 | 3.10 |
| PSC | Tri-Cities | Small | 1,089,006 | 554 | 1 | 5.64 |
| PSE | Mercedita | Small | 274,548 | 266 | 1 | 3.56 |
| PSG | Petersburg James A Johnson | Small | 50,339 | 145 | 1 | 4.42 |
| PSM | Portsmouth International at Pease | Small | 150,106 | 250 | 1 | 4.79 |
| PSP | Palm Springs International | Small | 3,628,124 | 1,588 | 1 | 5.16 |
| PUB | Pueblo Memorial | Small | 4,711 | 103 | 1 | 21.80 |
| PUW | Pullman/Moscow Regional | Small | 145,961 | 162 | 1 | 2.89 |
| PVC | Provincetown Municipal | Small | 12,304 | 32 | 1 | 5.51 |
| PVD | Rhode Island TF Green International | Small | 4,552,602 | 1,528 | 1 | 4.37 |
| PVU | Provo Municipal | Small | 1,006,537 | 575 | 1 | 4.72 |
| PWM | Portland International Jetport | Small | 2,727,701 | 1,120 | 1 | 5.02 |
| RAP | Rapid City Regional | Small | 945,860 | 377 | 2 | 4.46 |
| RDD | Redding Regional | Small | 191,919 | 151 | 1 | 4.28 |
| RDG | Reading Regional/Carl A Spaatz Field | Small | 551 | 103 | 1 | 2.06 |
| RDM | Roberts Field | Small | 1,454,010 | 576 | 1 | 4.81 |
| RFD | Chicago/Rockford International | Small | 297,653 | 249 | 1 | 4.23 |
| RHI | Rhinelander/Oneida County | Small | 59,319 | 119 | 1 | 6.63 |
| RIW | Central Wyoming Regional | Small | 49,871 | 73 | 1 | 4.34 |
| RKD | Knox County Regional | Small | 13,762 | 90 | 1 | 16.82 |
| RKS | Southwest Wyoming Regional | Small | 51,003 | 94 | 1 | 4.89 |
| RNO | Reno/Tahoe International | Small | 5,044,173 | 1,348 | 1 | 3.84 |
| ROA | Roanoke/Blacksburg Regional (Woodrum Field) | Small | 915,960 | 354 | 1 | 4.58 |
| ROC | Frederick Douglass/Greater Rochester Internation… | Small | 3,106,988 | 1,040 | 1 | 4.24 |
| ROW | Roswell Air Center | Small | 99,339 | 88 | 1 | 3.07 |
| RST | Rochester International | Small | 227,830 | 317 | 1 | 14.35 |
| RUT | Rutland - Southern Vermont Regional | Small | 9,593 | 16 | 1 | 3.24 |
| SAF | Santa Fe Municipal | Small | 412,490 | 154 | 1 | 3.80 |
| SAV | Savannah/Hilton Head International | Small | 4,388,866 | 1,296 | 1 | 3.63 |
| SAW | Sawyer International | Small | 120,134 | 116 | 1 | 3.44 |
| SBA | Santa Barbara Municipal | Small | 1,547,565 | 540 | 1 | 4.21 |
| SBD | San Bernardino International | Small | 43,260 | 122 | 1 | 3.69 |
| SBN | South Bend International | Small | 1,115,938 | 501 | 1 | 5.23 |
| SBP | San Luis County Regional | Small | 854,306 | 377 | 1 | 5.35 |
| SBY | Salisbury-Ocean City Wicomico Regional | Small | 154,782 | 306 | 1 | 8.64 |
| SCC | Deadhorse | Small | 202,458 | 238 | 1 | 4.93 |
| SCK | Stockton Metropolitan | Small | 138,329 | 172 | 1 | 3.08 |
| SDF | Louisville Muhammad Ali International | Small | 5,028,597 | 1,437 | 1 | 3.81 |
| SDY | Sidney-Richland Regional | Small | 15,167 | 37 | 1 | 8.74 |
| SFB | Orlando Sanford International | Small | 3,115,279 | 1,019 | 1 | 3.70 |
| SGF | Springfield-Branson National | Small | 1,655,022 | 528 | 1 | 5.50 |
| SGU | St George Regional | Small | 448,193 | 185 | 1 | 4.09 |
| SHD | Shenandoah Valley Regional | Small | 15,097 | 34 | 1 | 2.76 |
| SHR | Sheridan County | Small | 63,465 | 68 | 1 | 3.26 |
| SHV | Shreveport Regional | Small | 833,554 | 699 | 1 | 9.76 |
| SIT | Sitka Rocky Gutierrez | Small | 194,683 | 232 | 1 | 5.51 |
| SJT | San Angelo Regional/Mathis Field | Small | 112,605 | 133 | 1 | 5.01 |
| SLE | McNary Field | Small | 37,625 | 207 | 2 | 4.01 |
| SLK | Adirondack Regional | Small | 9,128 | 14 | 1 | 2.98 |
| SLN | Salina Regional | Small | 54,853 | 155 | 1 | 4.58 |
| SMX | Santa Maria Public/Capt G Allan Hancock Field | Small | 33,146 | 203 | 1 | 5.81 |
| SOW | Show Low Regional | Small | 14,258 | 34 | 1 | 3.05 |
| SPI | Abraham Lincoln Capital | Small | 106,135 | 211 | 1 | 6.82 |
| SPS | Sheppard AFB/Wichita Falls Municipal | Small | 70,096 | 194 | 1 | 7.65 |
| STC | St Cloud Regional | Small | 54,132 | 151 | 1 | 2.04 |
| STS | Charles M Schulz - Sonoma County | Small | 811,120 | 388 | 1 | 5.04 |
| SUN | Friedman Memorial | Small | 287,477 | 223 | 1 | 4.52 |
| SUX | Sioux Gateway/Brig General Bud Day Field | Small | 57,701 | 65 | 1 | 1.79 |
| SWF | New York Stewart International | Small | 301,259 | 361 | 1 | 8.74 |
| SWO | Stillwater Regional | Small | 67,741 | 85 | 1 | 3.25 |
| SYR | Syracuse Hancock International | Small | 3,178,580 | 980 | 1 | 4.05 |
| TBN | Waynesville-St Robert Regional Forney Field | Small | 14,776 | 44 | 1 | 4.13 |
| TEX | Telluride Regional | Small | 19,435 | 34 | 1 | 2.46 |
| TLH | Tallahassee International | Small | 1,105,617 | 376 | 1 | 4.16 |
| TOL | Eugene F Kranz Toledo Express | Small | 124,496 | 248 | 1 | 4.22 |
| TRI | Tri-Cities | Small | 566,313 | 251 | 1 | 5.36 |
| TTN | Trenton Mercer | Small | 413,825 | 402 | 1 | 6.30 |
| TUL | Tulsa International | Small | 3,624,273 | 1,116 | 1 | 3.88 |
| TUP | Tupelo Regional | Small | 28,165 | 33 | 1 | 1.85 |
| TVC | Cherry Capital | Small | 1,001,618 | 637 | 1 | 7.03 |
| TVF | Thief River Falls Regional | Small | 17,128 | 41 | 1 | 2.95 |
| TWF | Joslin Field/Magic Valley Regional | Small | 72,411 | 82 | 1 | 3.01 |
| TXK | Texarkana Regional-Webb Field | Small | 84,265 | 109 | 1 | 3.70 |
| TYR | Tyler Pounds Regional | Small | 116,005 | 91 | 1 | 3.23 |
| TYS | Mc Ghee Tyson | Small | 3,468,997 | 1,052 | 1 | 3.72 |
| UIN | Quincy Regional-Baldwin Field | Small | 8,080 | 44 | 1 | 12.89 |
| UNV | University Park | Small | 318,073 | 194 | 1 | 4.10 |
| VCT | Victoria Regional | Small | 25,667 | 49 | 1 | 3.37 |
| VEL | Vernal Regional | Small | 24,402 | 50 | 1 | 2.57 |
| VLD | Valdosta Regional | Small | 112,201 | 114 | 1 | 2.25 |
| VPS | Eglin AFB/Destin-Ft Walton Beach | Small | 2,505,978 | 956 | 2 | 4.39 |
| VRB | Vero Beach Regional | Small | 260,994 | 167 | 1 | 2.82 |
| WRG | Wrangell | Small | 32,424 | 92 | 1 | 4.86 |
| WYS | Yellowstone | Small | 24,568 | 94 | 1 | 3.98 |
| XNA | Northwest Arkansas National | Small | 2,596,354 | 723 | 1 | 3.48 |
| XWA | Williston Basin International | Small | 224,896 | 164 | 1 | 4.53 |
| YAK | Yakutat | Small | 28,193 | 106 | 1 | 5.84 |
| YKM | Yakima Air Terminal/Mcallister Field | Small | 92,618 | 240 | 1 | 8.00 |
| ACY | Atlantic City International | Medium | 990,691 | 540 | 2 | 6.68 |
| ANC | Ted Stevens Anchorage International | Medium | 5,104,793 | 1,082 | 2 | 3.65 |
| CVG | Cincinnati/Northern Kentucky International | Medium | 9,494,354 | 2,400 | 2 | 3.79 |
| DAL | Dallas Love Field | Medium | 11,328,699 | 2,712 | 2 | 3.31 |
| HPN | Westchester County | Medium | 2,652,547 | 817 | 2 | 3.87 |
| LIH | Lihue | Medium | 3,537,066 | 882 | 3 | 3.30 |
| MEM | Memphis International | Medium | 5,490,612 | 1,488 | 3 | 3.69 |
| OGG | Kahului | Medium | 6,369,403 | 1,422 | 2 | 2.89 |
| PIT | Pittsburgh International | Medium | 10,546,796 | 2,526 | 3 | 3.94 |
| RDU | Raleigh-Durham International | Medium | 16,298,534 | 3,206 | 3 | 2.76 |
| SJC | Norman Y Mineta San Jose International | Medium | 11,170,643 | 2,636 | 3 | 4.07 |
| SRQ | Sarasota/Bradenton International | Medium | 4,820,257 | 1,450 | 2 | 3.69 |
| STT | Cyril E King | Medium | 1,644,801 | 866 | 2 | 4.11 |
| STX | Henry E Rohlsen | Medium | 514,514 | 354 | 2 | 5.69 |
| AUS | Austin-Bergstrom International | Large | 20,261,983 | 3,643 | 5 | 2.67 |
| BDL | Bradley International | Large | 6,943,216 | 1,988 | 2 | 3.79 |
| BNA | Nashville International | Large | 21,345,926 | 4,130 | 1 | 2.68 |
| BUR | Bob Hope | Large | 6,515,779 | 1,630 | 2 | 3.10 |
| BWI | Baltimore/Washington International Thurgood Mars… | Large | 18,199,657 | 3,811 | 4 | 3.18 |
| CLE | Cleveland-Hopkins International | Large | 10,290,962 | 2,421 | 4 | 3.22 |
| CLT | Charlotte/Douglas International | Large | 23,505,432 | 3,853 | 6 | 2.36 |
| CMH | John Glenn Columbus International | Large | 9,412,881 | 2,183 | 3 | 3.03 |
| DCA | Ronald Reagan Washington National | Large | 21,552,926 | 4,141 | 3 | 2.65 |
| GEG | Spokane International | Large | 4,392,431 | 1,274 | 2 | 3.90 |
| HNL | Daniel K Inouye International | Large | 19,339,663 | 4,014 | 6 | 3.01 |
| HOU | William P Hobby | Large | 9,900,169 | 1,851 | 1 | 2.59 |
| IND | Indianapolis International | Large | 11,188,135 | 2,473 | 2 | 3.81 |
| JAX | Jacksonville International | Large | 8,024,948 | 1,485 | 1 | 3.19 |
| LGA | LaGuardia | Large | 29,553,240 | 5,356 | 4 | 3.06 |
| MCI | Kansas City International | Large | 11,807,413 | 2,847 | 1 | 3.42 |
| MDW | Chicago Midway International | Large | 14,154,704 | 3,270 | 1 | 3.97 |
| MKE | General Mitchell International | Large | 6,555,818 | 1,648 | 2 | 3.27 |
| MSY | Louis Armstrong New Orleans International | Large | 13,041,198 | 3,526 | 1 | 3.78 |
| OAK | San Francisco Bay Oakland International | Large | 9,250,361 | 1,884 | 2 | 3.00 |
| OMA | Eppley Airfield | Large | 5,413,016 | 1,454 | 2 | 3.25 |
| ONT | Ontario International | Large | 7,709,453 | 1,738 | 2 | 3.50 |
| ORF | Norfolk International | Large | 5,369,299 | 1,629 | 2 | 3.75 |
| PBI | Palm Beach International | Large | 10,008,742 | 2,283 | 2 | 3.00 |
| PDX | Portland International | Large | 17,349,052 | 3,241 | 5 | 3.22 |
| RIC | Richmond International | Large | 5,309,203 | 1,600 | 2 | 3.85 |
| RSW | Southwest Florida International | Large | 11,942,962 | 2,973 | 6 | 3.44 |
| SAT | San Antonio International | Large | 11,385,094 | 2,472 | 2 | 3.05 |
| SJU | Luis Munoz Marin International | Large | 14,267,141 | 2,794 | 2 | 3.32 |
| SLC | Salt Lake City International | Large | 19,197,502 | 3,450 | 2 | 2.85 |
| SMF | Sacramento International | Large | 13,363,000 | 2,474 | 2 | 2.92 |
| SNA | John Wayne/Orange County | Large | 11,311,236 | 2,546 | 3 | 2.73 |
| STL | St Louis Lambert International | Large | 12,863,977 | 2,387 | 4 | 2.63 |
| TPA | Tampa International | Large | 24,732,981 | 4,458 | 4 | 2.56 |
| TUS | Tucson International | Large | 4,254,369 | 1,176 | 2 | 3.35 |
| ATL | Hartsfield - Jackson Atlanta International | Extra Large | 58,868,327 | 9,392 | 8 | 2.74 |
| BOS | General Edward Lawrence Logan International | Extra Large | 44,025,634 | 7,341 | 6 | 2.55 |
| DEN | Denver International | Extra Large | 46,334,879 | 7,550 | 5 | 2.60 |
| DFW | Dallas-Fort Worth International | Extra Large | 50,581,524 | 7,963 | 17 | 2.36 |
| DTW | Detroit Metropolitan Wayne County | Extra Large | 25,712,098 | 4,394 | 7 | 2.93 |
| EWR | Newark Liberty International | Extra Large | 48,344,145 | 6,959 | 5 | 2.47 |
| FLL | Fort Lauderdale/Hollywood International | Extra Large | 33,615,386 | 5,626 | 5 | 2.59 |
| IAD | Washington Dulles International | Extra Large | 23,640,551 | 5,200 | 6 | 3.79 |
| IAH | George Bush Intercontinental/Houston | Extra Large | 36,441,768 | 6,029 | 9 | 2.50 |
| JFK | John F Kennedy International | Extra Large | 65,712,764 | 8,315 | 7 | 2.18 |
| LAS | Harry Reid International | Extra Large | 50,585,609 | 8,102 | 6 | 2.76 |
| LAX | Los Angeles International | Extra Large | 70,537,305 | 9,569 | 15 | 2.26 |
| MCO | Orlando International | Extra Large | 55,597,900 | 7,870 | 4 | 2.44 |
| MIA | Miami International | Extra Large | 50,696,269 | 7,105 | 21 | 2.40 |
| MSP | Minneapolis-St Paul International/Wold-Chamberla… | Extra Large | 27,361,164 | 5,545 | 6 | 3.47 |
| ORD | Chicago O'Hare International | Extra Large | 58,979,326 | 9,380 | 14 | 2.73 |
| PHL | Philadelphia International | Extra Large | 26,524,949 | 4,765 | 7 | 2.61 |
| PHX | Phoenix Sky Harbor International | Extra Large | 41,775,562 | 6,711 | 5 | 2.77 |
| SAN | San Diego International | Extra Large | 26,061,823 | 4,549 | 7 | 2.58 |
| SEA | Seattle-Tacoma International | Extra Large | 39,509,649 | 6,588 | 7 | 2.88 |
| SFO | San Francisco International | Extra Large | 49,277,003 | 6,446 | 9 | 2.17 |