Historical on-time performance
Rock Springs to Denver
260 miData through May 2026Source: US DOT · BTS
Flights on RKS–DEN arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled0.5%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 timep9070 minCancel0.5%Flights728
Why flights run late
Delay causes
- Airline53%
- Weather8%
- Air traffic (NAS)10%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 RKS → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 1,102 flights
- Afternoons79% on time · p90 85 min · 501 flights
- Middays75% on time · p90 80 min · 324 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 87% on time.
- Saturdays87% on time · p90 20 min · 292 flights
- Sundays85% on time · p90 35 min · 262 flights
- Fridays83% on time · p90 40 min · 270 flights
- Wednesdays83% on time · p90 50 min · 272 flights
- Mondays83% on time · p90 65 min · 269 flights
- Thursdays82% on time · p90 70 min · 302 flights
- Tuesdays82% on time · p90 85 min · 260 flights
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