Historical on-time performance
Dallas to Columbus
919 miData through May 2026Source: US DOT · BTS
Flights on DAL–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)
Cancelled1.1%of scheduled flights
based on 467 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time71%Medianon timep9050 minCancel1.1%Flights467
Why flights run late
Delay causes
- Airline38%
- Weather3%
- Air traffic (NAS)12%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline60%
- Weather40%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 5 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 DAL → 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 — 88% on time.
- Mornings88% on time · p90 15 min · 223 flights
- Middays76% on time · p90 30 min · 378 flights
- Afternoons71% on time · p90 50 min · 461 flights
- Evenings58% on time · p90 75 min · 191 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 80% on time.
- Tuesdays80% on time · p90 45 min · 164 flights · limited
- Wednesdays80% on time · p90 25 min · 161 flights · limited
- Saturdays77% on time · p90 25 min · 183 flights · limited
- Mondays71% on time · p90 40 min · 178 flights · limited
- Sundays70% on time · p90 55 min · 259 flights
- Fridays69% on time · p90 50 min · 183 flights · limited
- Thursdays67% on time · p90 50 min · 180 flights · limited
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