Yellowstone Airport (WYS): Delays & On-Time Performance
Data through July 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 18 minutes. 1 airlines fly from West Yellowstone, MT to 2 destinations.
- Departures on-time
- 84%
- left <15 min late
- Avg dep delay
- 18 min
- Arrivals on-time
- 85%
- Cancelled
- 0.7%
- 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
- Friday
- 85% on-time
- Cancellation risk
- 0.7%
- 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 | 77% | 19 min |
| Tuesday | 79% | 21 min |
| Wednesday | 84% | 11 min |
| Thursday | 79% | 26 min |
| Fridaybest | 85% | 21 min |
| Saturday | 81% | 16 min |
| Sunday | 81% | 21 min |
Busiest routes from WYS
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| WYS → DEN (Denver) | 207 | 70% | 31 min |
| WYS → SLC (Salt Lake City) | 148 | 90% | 9 min |
Where flights into WYS come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → WYS | 207 | 79% | 13 min |
| SLC (Salt Lake City) → WYS | 148 | 90% | 6 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 aircraft29%
- Airline operations43%
- National airspace system10%
- Weather18%
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 | 80% | 17 min |
| JAC — Jackson Hole Airport | 77 mi | 77% | 26 min |
| IDA — Idaho Falls Regional Airport | 94 mi | 83% | 20 min |
| COD — Yellowstone Regional Airport | 104 mi | 74% | 27 min |
| BTM — Bert Mooney Airport | 110 mi | 91% | 11 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 2024-07 and 2026-07, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at WYS?
- 0.7% 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 754 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.