Historical on-time performance
Denver to Rapid City
300 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–RAP arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 2,892 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- SkyWest AirlinesOn-time74%Medianon timep9055 minCancel1.5%Flights2,307
- United AirlinesOn-time74%Medianon timep9065 minCancel0.7%Flights585
Why flights run late
Delay causes
- Airline37%
- Weather8%
- Air traffic (NAS)19%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → RAP
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 81% on time.
- Mornings81% on time · p90 30 min · 597 flights
- Middays80% on time · p90 35 min · 2,124 flights
- Overnights76% on time · p90 50 min · 831 flights
- Afternoons73% on time · p90 45 min · 1,092 flights
- Evenings68% on time · p90 70 min · 1,820 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Tuesdays79% on time · p90 40 min · 915 flights
- Wednesdays76% on time · p90 45 min · 924 flights
- Thursdays76% on time · p90 45 min · 929 flights
- Sundays75% on time · p90 60 min · 942 flights
- Saturdays74% on time · p90 60 min · 877 flights
- Fridays74% on time · p90 55 min · 936 flights
- Mondays73% on time · p90 50 min · 943 flights
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