| - | KBIV | West Michigan Regional Airport | Holland | |
| KWP | - | West Point Village Sea Plane Base | West Point | |
| WSX | - | West Sound Sea Plane Base | West Sound | |
| WWR | KWWR | West Woodward Airport | Woodward | |
| WST | KWST | Westerly State Airport | Westerly | |
| BFF | KBFF | Western Nebraska Regional Airport | Scottsbluff | |
| BAF | KBAF | Westfield-Barnes Regional Airport | Springfield | |
| LBE | KLBE | Westmoreland County Airport | Latrobe | |
| CEF | KCEF | Westover Metropolitan Airport | Springfield | |
| DTL | KDTL | Wething Field | Detroit Lakes | |
| CAD | KCAD | Wexford County Airport | Cadillac | |
| - | KGTB | Wheeler-Sack Aaf | Ft Drum | |
| WMO | - | White Mountain Airport | White Mountain | |
| SZL | KSZL | Whiteman Air Force Base | Warrensburg | |
| SPS | KSPS | Wichita Falls Municipal Airport/Sheppard Air Force Base | Wichita Falls | |
| - | - | Wickenburg Municipal Airport | Wickenburg | |
| SBY | KSBY | Wicomico Regional Airport | Salisbury-Ocean City | |
| - | - | Wilbarger Co | Vernon | |
| EWD | - | Wildman Lake Airport | Wildman Lake | |
| CBE | KCBE | Wiley Ford Airport | Cumberland | |
| PWA | KPWA | Wiley Post Airport | Oklahoma City | |
| BRW | PABR | Wiley Post-Will Rogers Memorial Airport | Barrow | |
| AVP | KAVP | Wilkes-Barre/Scranton International Airport | Wilkes-Barre | |
| CLM | KCLM | William R. Fairchild International Airport | Port Angeles | |
| - | KCKI | Williamsburg Co | Kingstree | |
| MWA | KMWA | Williamson County Airport | Marion | |
| ILN | KILN | Wilmington Airpark | Wilmington | |
| WGO | KOKV | Winchester Regional Airport | Winchester | |
| BBX | - | Wings Field | Blue Bell | |
| WMC | KWMC | Winnemucca Municipal Airport | Winnemucca | |
| SNK | KSNK | Winston Field | Snyder | |
| ISS | KIWI | Wiscasset Airport | Wiscasset | |
| SUA | KSUA | Witham Field | Stuart | |
| OSH | KOSH | Wittman Regional Airport | Oshkosh | |
| BTL | KBTL | WK Kellogg Regional Airport | Battle Creek | |
| OLF | KOLF | Wolf Point International Airport | Wolf Point | |
| - | - | Wood Co | Bowling Green | |
| PKB | KPKB | Wood County Airport | Parkersburg | |
| ORH | KORH | Worcester Regional Airport | Worcester | |
| WRL | KWRL | Worland Airport | Worland | |
| WRG | PAWG | Wrangell Airport | Wrangell | |
| OSC | KOSC | Wurtsmith Air Force Base | Oscoda | |
| YKM | KYKM | Yakima Air Terminal | Yakima | |
| YAK | PAYA | Yakutat Airport | Yakutat | |
| HDN | KHDN | Yampa Valley Airport | Hayden | |
| ELY | KELY | Yelland Field | Ely | |
| WYS | KWYS | Yellowstone Airport | West Yellowstone | |
| COD | KCOD | Yellowstone Regional Airport | Cody | |
| THV | KTHV | York Airport | York | |
| RKH | KUZA | York County Airport-Bryant Field | Rock Hill | |