Historical on-time performance
Denver to Rock Springs
260 miData through May 2026Source: US DOT · BTS
Flights on DEN–RKS arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.8%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-time75%Medianon timep9045 minCancel0.8%Flights728
Why flights run late
Delay causes
- Airline44%
- Weather7%
- Air traffic (NAS)15%
- Late aircraft34%
- 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 6 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 → RKS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 78% to 79% on time.
- Overnights79% on time · p90 45 min · 1,091 flights
- Middays78% on time · p90 40 min · 740 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Wednesdays83% on time · p90 45 min · 272 flights
- Tuesdays81% on time · p90 40 min · 260 flights
- Sundays81% on time · p90 40 min · 262 flights
- Saturdays78% on time · p90 40 min · 292 flights
- Thursdays77% on time · p90 50 min · 302 flights
- Fridays77% on time · p90 45 min · 270 flights
- Mondays75% on time · p90 40 min · 269 flights
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