Historical on-time performance
Denver to Riverton WY
296 miData through May 2026Source: US DOT · BTS
Flights on DEN–RIW arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 728 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time80%Medianon timep9035 minCancel0.7%Flights728
Why flights run late
Delay causes
- Airline37%
- Weather6%
- Air traffic (NAS)12%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather80%
- Air traffic (NAS)20%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
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 · 832 flights
- Overnights79% on time · p90 45 min · 1,092 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 84% on time.
- Saturdays84% on time · p90 30 min · 293 flights
- Wednesdays83% on time · p90 30 min · 272 flights
- Mondays83% on time · p90 45 min · 269 flights
- Sundays82% on time · p90 30 min · 270 flights
- Tuesdays81% on time · p90 30 min · 260 flights
- Thursdays79% on time · p90 40 min · 302 flights
- Fridays75% on time · p90 50 min · 261 flights
Keep exploring