Historical on-time performance
Oklahoma City to Denver
495 miData through May 2026Source: US DOT · BTS
Flights on OKC–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)
Cancelled0.7%of scheduled flights
based on 2,999 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time79%Medianon timep9040 minCancel0.5%Flights1,331
- Southwest AirlinesOn-time76%Medianon timep9045 minCancel0.8%Flights1,223
- United AirlinesOn-time74%Medianon timep9025 minCancel0.9%Flights227
- Frontier AirlinesOn-time74%Medianon timep9070 minCancel1.4%Flights218
Why flights run late
Delay causes
- Airline30%
- Weather5%
- Air traffic (NAS)38%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline18%
- Weather82%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 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 OKC → 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 — 85% on time.
- Mornings85% on time · p90 25 min · 3,570 flights
- Middays82% on time · p90 30 min · 2,290 flights
- Overnights69% on time · p90 70 min · 729 flights
- Afternoons66% on time · p90 60 min · 672 flights
- Evenings64% on time · p90 75 min · 2,044 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 81% on time.
- Wednesdays81% on time · p90 35 min · 1,252 flights
- Tuesdays80% on time · p90 40 min · 1,269 flights
- Mondays76% on time · p90 40 min · 1,382 flights
- Saturdays76% on time · p90 50 min · 1,221 flights
- Sundays76% on time · p90 50 min · 1,397 flights
- Fridays75% on time · p90 45 min · 1,395 flights
- Thursdays75% on time · p90 50 min · 1,389 flights
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