West Yellowstone (WYS) to Denver (DEN): On-Time Performance
Data through May 2026
West Yellowstone (WYS) to Denver (DEN) is a thinner route than most in this dataset — 192 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 70% arrived on time, noticeably below the national average of 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 35 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.53
- last 12 months
- Duration
- 1h 44m
- scheduled
- Distance
- 469 mi
Monthly on-time trend
Best time to fly from WYS to DEN
Aim for departures around 10 a.m. (78% on-time); avoid 2 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 69% | 30 min |
| Tuesday | 59% | 44 min |
| Wednesdaybest | 89% | 10 min |
| Thursday | 70% | 36 min |
| Friday | 65% | 50 min |
| Saturday | 71% | 31 min |
| Sunday | 66% | 50 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations39%
- National airspace system11%
- Weather8%
Frequently asked questions
- How often are flights from WYS to DEN delayed?
- 30% of WYS–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 35 minutes.
- What is the best time of day to fly from WYS to DEN?
- Departures around 10 a.m. have the best record (78% on-time), while departures around 2 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from WYS to DEN?
- The scheduled WYS–DEN flight time averages 1h 44m over 469 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are WYS to DEN flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
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Based on 258 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.