Historical on-time performance
Denver to Columbus
1,154 miData through May 2026Source: US DOT · BTS
Flights on DEN–CMH arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,652 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time79%Medianon timep9035 minCancel0.7%Flights729
- Southwest AirlinesOn-time64%Median5 minp9065 minCancel0.8%Flights923
Why flights run late
Delay causes
- Airline29%
- Weather1%
- Air traffic (NAS)17%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather58%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 → CMH
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 — 86% on time.
- Mornings86% on time · p90 15 min · 1,696 flights
- Middays79% on time · p90 30 min · 836 flights
- Afternoons65% on time · p90 50 min · 791 flights
- Evenings64% on time · p90 70 min · 1,880 flights
- Overnights48% on time · p90 100 min · 209 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 74% on time.
- Saturdays74% on time · p90 45 min · 633 flights
- Mondays74% on time · p90 40 min · 814 flights
- Tuesdays73% on time · p90 50 min · 756 flights
- Wednesdays73% on time · p90 45 min · 712 flights
- Sundays72% on time · p90 45 min · 808 flights
- Thursdays72% on time · p90 50 min · 861 flights
- Fridays71% on time · p90 50 min · 828 flights
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