Historical on-time performance
Salt Lake City to West Yellowstone
273 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–WYS arrive on time 93% of the time over the last 12 months.
On-time rate93%arrived within 15 min
p90 delay5 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 134 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time93%Medianon timep905 minCancel0.0%Flights134
Why flights run late
Delay causes
- Airline84%
- Weather0%
- Air traffic (NAS)16%
- Late aircraft0%
- 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 SLC → WYS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 84% to 93% on time.
- Mornings93% on time · p90 on time · 85 flights · limited
- Middays88% on time · p90 15 min · 501 flights
- Afternoons84% on time · p90 20 min · 99 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 85% to 91% on time.
- Fridays91% on time · p90 10 min · 105 flights · limited
- Tuesdays91% on time · p90 10 min · 76 flights · limited
- Sundays91% on time · p90 10 min · 106 flights · limited
- Saturdays88% on time · p90 10 min · 117 flights · limited
- Wednesdays86% on time · p90 15 min · 73 flights · limited
- Thursdays86% on time · p90 20 min · 104 flights · limited
- Mondays85% on time · p90 20 min · 104 flights · limited
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