Historical on-time performance
West Yellowstone to Denver
469 miData through Dec 2025Source: US DOT · BTS
Flights on WYS–DEN arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay100 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 173 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time66%Medianon timep90100 minCancel1.2%Flights173
Why flights run late
Delay causes
- Airline43%
- Weather7%
- Air traffic (NAS)12%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly WYS → DEN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 76% on time.
- Middays76% on time · p90 50 min · 187 flights · limited
- Afternoons58% on time · p90 155 min · 67 flights · limited
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