AviatDataYellowstone Airport WYS / KWYS
West Yellowstone, Montana · United States · Montana Department of Transportation, Aeronautics Division (State of Montana)
19kpax · 2024
Limited hoursJet A · Avgas 100LL
ICAO / IATAKWYS / WYS
OperatorMontana Department of Transportation, Aeronautics Division (State of Montana)
Coordinates44.6884°N, 111.1176°W
Elevation6,649 ft · 2,027 m
Time zoneMT (UTC-7/-6 DST)
Passengers / yr19,138 (2024)
CustomsNo
Border controlNo
SchengenNo
FuelJet A · Avgas 100LL
Bonded—
AIP referenceKWYS — FAA Chart Supplement / d-TPP
Operating hoursSeasonal only, no control tower: MAY-OCT, daily 0800-1700 local, weather dependent; unattended/unmaintained 1700-0800. Field CLOSED 31 Oct - 1 May (winter closure, no snow removal). No PPR; no published curfew beyond seasonal/daily attended hours.
TerminalsSingle terminal building; new $46M terminal opened 2025 with 2 gates, one TSA screening checkpoint, and indoor baggage claim (replacing the 1965 original, expanded from 1 gate).
Runways (1)
- 01/19 · 2,560 m / 8,400 ft · 45.7 m wide · Asphalt (grooved) · ILS ILS on Runway 01; PAPI both ends
Summer-only gateway to Yellowstone National Park, closed to all traffic each winter (31 Oct-1 May); SkyWest Airlines operates seasonal EAS-supported Delta Connection service to Salt Lake City and United Express service to Denver. Not an airport of entry (no customs/immigration facilities).
Services
Available
On request / PPR
Seasonal / ageing
Unconfirmed / not listed
Ground handling
Available · 2 providers
Ascension FBO Network
Provides aircraft ground handling, ramp/tiedown parking, and hangar space (up to Gulfstream V size) for based and transient GA traffic.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · self-reported
SkyWest Airlines (Delta Connection / United Express)
SkyWest self-handles its own regional-jet flights at WYS (CRJ-900 as Delta Connection to Salt Lake City, CRJ-200 as United Express to Denver); no third-party airline ground handler is used at this station. Service operates only in the summer season (roughly June-September) and the airport closes to scheduled service in winter.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Aircraft fuel
Available
Ascension FBO Network
Sole FBO and fuel seller at KWYS, offering Jet A (full service) and 100LL (full and self-service); reduced off-season self-serve access outside the May-October main season. · 8:00 AM - 5:00 PM seasonal (May-Oct); off-season fuel by phone call-out
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · self-reported
De-icing
Not listed
Part-145 line maintenance
Not listed
Part-145 base maintenance
Not listed
Component shops & overhaul
Not listed
Flight catering
Available
Ascension FBO Network
Offers catering services arrangement for based and transient aircraft as part of its FBO service line.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · self-reported
Aircraft cleaning
On request
RealClean Bozeman
Mobile aircraft detailing outfit based near Bozeman, MT, listed by AirNav as servicing KWYS on request for cabin detailing, brightwork, and exterior restoration for corporate/charter aircraft; not physically based on the field (~89 miles away).
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Ground support equipment
Not listed
Cargo handling
Not listed
Aviation security
Not listed
Passenger & crew transport
Available
Ascension FBO Network
Provides crew cars and rental car delivery for arriving passengers and crews.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · self-reported
Flight support
Not listed
Hotel & travel
Not listed