Historical on-time performance
Denver to Columbus
1,154 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–CMH arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 1,660 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time77%Medianon timep9040 minCancel0.3%Flights729
- Southwest AirlinesOn-time65%Medianon timep9065 minCancel0.2%Flights931
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft56%
- 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 → CMH
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 20 min · 1,658 flights
- Middays79% on time · p90 30 min · 837 flights
- Afternoons65% on time · p90 55 min · 692 flights
- Evenings63% on time · p90 75 min · 1,865 flights
- Overnights51% on time · p90 90 min · 245 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 73% on time.
- Tuesdays73% on time · p90 50 min · 762 flights
- Sundays73% on time · p90 45 min · 785 flights
- Mondays73% on time · p90 40 min · 792 flights
- Thursdays73% on time · p90 50 min · 835 flights
- Saturdays73% on time · p90 50 min · 610 flights
- Wednesdays72% on time · p90 50 min · 716 flights
- Fridays71% on time · p90 50 min · 797 flights
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