Historical on-time performance
Dallas to Columbus
919 miData through Dec 2025Source: US DOT · BTS
Flights on DAL–CMH arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 424 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time73%Medianon timep9035 minCancel0.7%Flights424
Why flights run late
Delay causes
- Airline38%
- Weather3%
- Air traffic (NAS)11%
- Late aircraft47%
- 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 DAL → 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 — 87% on time.
- Mornings87% on time · p90 15 min · 167 flights · limited
- Middays77% on time · p90 30 min · 409 flights
- Afternoons74% on time · p90 50 min · 499 flights
- Evenings64% on time · p90 50 min · 135 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 81% on time.
- Tuesdays81% on time · p90 45 min · 165 flights · limited
- Wednesdays79% on time · p90 25 min · 162 flights · limited
- Saturdays77% on time · p90 25 min · 171 flights · limited
- Sundays74% on time · p90 40 min · 253 flights
- Mondays73% on time · p90 30 min · 166 flights · limited
- Thursdays72% on time · p90 40 min · 164 flights · limited
- Fridays68% on time · p90 50 min · 168 flights · limited
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