Yellowstone Airport (WYS): Delays & On-Time Performance
Data through May 2026
Yellowstone Airport (WYS) runs noticeably smoother than most US airports: 84% of its ~1 daily departures leave on time, 6 points above the national average, with an average departure delay of just 22 minutes. 1 airlines fly from West Yellowstone, MT to 2 destinations.
- Departures on-time
- 84%
- left <15 min late
- Avg dep delay
- 22 min
- Arrivals on-time
- 85%
- Cancelled
- 1.1%
- Destinations
- 2
- nonstop
- Airlines
- 1
Plan your departure from WYS
The choices most likely to improve your odds, based on this airport’s historical record.
- Best day to fly
- Wednesday
- 89% on-time
- Cancellation risk
- 1.1%
- below the US average
Monthly on-time trend
Best time of day to depart from WYS
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 31 min |
| Tuesday | 77% | 23 min |
| Wednesdaybest | 89% | 11 min |
| Thursday | 78% | 27 min |
| Friday | 84% | 23 min |
| Saturday | 82% | 22 min |
| Sunday | 84% | 20 min |
Busiest routes from WYS
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| WYS → DEN (Denver) | 192 | 70% | 35 min |
| WYS → SLC (Salt Lake City) | 147 | 90% | 15 min |
Where flights into WYS come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → WYS | 192 | 80% | 12 min |
| SLC (Salt Lake City) → WYS | 147 | 89% | 8 min |
What causes delays at WYS
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing WYS.
- Late-arriving aircraft26%
- Airline operations42%
- National airspace system8%
- Weather24%
Alternative airports near West Yellowstone
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| BZN — Bozeman Yellowstone International Airport | 75 mi | 81% | 17 min |
| JAC — Jackson Hole Airport | 77 mi | 78% | 25 min |
| IDA — Idaho Falls Regional Airport | 94 mi | 84% | 19 min |
| COD — Yellowstone Regional Airport | 104 mi | 75% | 27 min |
| BTM — Bert Mooney Airport | 110 mi | 91% | 12 min |
Compare the airport-level record first, then check the exact route you plan to book.
Frequently asked questions
- How often are flights delayed at WYS?
- 16% of departures from Yellowstone Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 22 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at WYS?
- 1.1% of scheduled departures from WYS were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 662 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.