Dallas (DAL) to Columbus (CMH): On-Time Performance
Data through July 2026
When you fly DAL to CMH matters as much as anything else about the booking: the route swung from 89% on-time in February 2025 to just 50% in June 2025. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 52%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 1.5
- last 12 months
- Duration
- 2h 18m
- scheduled
- Distance
- 919 mi
Monthly on-time trend
Best time to fly from DAL to CMH
Aim for departures around 9 a.m. (90% on-time); avoid 8 p.m. departures (39%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 69% | 18 min |
| Tuesdaybest | 79% | 14 min |
| Wednesday | 78% | 14 min |
| Thursday | 64% | 22 min |
| Friday | 70% | 23 min |
| Saturday | 77% | 13 min |
| Sunday | 69% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations34%
- National airspace system11%
- Weather3%
Frequently asked questions
- How often are flights from DAL to CMH delayed?
- 28% of DAL–CMH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- What is the best time of day to fly from DAL to CMH?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (39%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAL to CMH?
- The scheduled DAL–CMH flight time averages 2h 18m over 919 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are DAL to CMH flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DAL to CMH?
- June 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was February 2025 at 89%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 974 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.