Historical on-time performance
Rapid City to Denver
300 miData through May 2026Source: US DOT · BTS
Flights on RAP–DEN arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 2,908 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time80%Medianon timep9025 minCancel0.8%Flights736
- SkyWest AirlinesOn-time75%Medianon timep9055 minCancel1.6%Flights2,172
Why flights run late
Delay causes
- Airline37%
- Weather13%
- Air traffic (NAS)26%
- Late aircraft23%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather68%
- Air traffic (NAS)22%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 41 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 RAP → DEN
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 · 2,068 flights
- Mornings78% on time · p90 35 min · 2,915 flights
- Evenings71% on time · p90 75 min · 810 flights
- Afternoons69% on time · p90 85 min · 1,199 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 79% on time.
- Tuesdays79% on time · p90 35 min · 974 flights
- Wednesdays79% on time · p90 35 min · 992 flights
- Thursdays78% on time · p90 45 min · 1,013 flights
- Sundays78% on time · p90 50 min · 1,022 flights
- Mondays77% on time · p90 40 min · 1,020 flights
- Saturdays76% on time · p90 55 min · 951 flights
- Fridays74% on time · p90 50 min · 1,022 flights
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