DAL (Dallas) to CMH (Columbus) flights arrive on time 74% of the time. The most reliable airline on this route is Southwest Airlines at 74%. The average delay is 59 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.DAL → CMH
DAL (Dallas) to CMH (Columbus)
DAL → CMH on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 74% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from DAL
79% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at CMH
80% on timeWhen flights into CMH are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at CMH: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of DAL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.