Yellowstone Airport (WYS) delays & on-time performance
West Yellowstone, Montana · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at WYS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.8%
3 flights
Avg arrival delay
20 min
100 min when late
Departed on time
82%
avg taxi-out 16 min
Figures cover 355 departures from WYS; on-time is measured at arrival. Arrivals into WYS were on time 85% of the time.
Key facts
- Flights departing Yellowstone Airport (WYS) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 9% arrived an hour or more late.
- Departures scheduled around 3pm did best (93% on time); around 2pm did worst (70%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Most delayed routes from WYS
Lowest on-time arrival rates among regularly flown routes.
Most reliable routes from WYS
Highest on-time arrival rates among regularly flown routes.
Best airline at WYS
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 81% | 0.8% | 20 min | 2 | 355 |
Best time to fly out of WYS
On-time arrival rate by scheduled departure hour (local time).
- 1pm85%128 flts
- 2pm70%105 flts
- 3pm93%58 flts
- 5pm71%34 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft35%
- Extreme weather10%
- Air traffic control & airport congestion9%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.