Historical on-time performance
Denver to Riverton WY
296 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–RIW arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 729 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time79%Medianon timep9040 minCancel0.5%Flights729
Why flights run late
Delay causes
- Airline50%
- Weather6%
- Air traffic (NAS)13%
- Late aircraft31%
- 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 DEN → RIW
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 — 84% on time.
- Middays84% on time · p90 25 min · 690 flights
- Overnights80% on time · p90 40 min · 1,092 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 84% on time.
- Wednesdays84% on time · p90 25 min · 253 flights
- Sundays83% on time · p90 25 min · 248 flights
- Mondays83% on time · p90 45 min · 249 flights
- Tuesdays83% on time · p90 25 min · 240 flights
- Saturdays82% on time · p90 30 min · 274 flights
- Fridays77% on time · p90 45 min · 238 flights
- Thursdays77% on time · p90 50 min · 283 flights
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