Dallas (DAL) to Birmingham (BHM): On-Time Performance
Data through July 2026
The calendar drives reliability on DAL–BHM. January 2026 flights landed on schedule 89% of the time, but July 2024 dropped to 50% — a gap of 39 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 62%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 37m
- scheduled
- Distance
- 587 mi
Monthly on-time trend
Best time to fly from DAL to BHM
Aim for departures around 7 a.m. (93% on-time); avoid 9 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 12 min |
| Tuesdaybest | 79% | 14 min |
| Wednesday | 76% | 12 min |
| Thursday | 70% | 17 min |
| Friday | 74% | 16 min |
| Saturday | 71% | 23 min |
| Sunday | 70% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft56%
- Airline operations26%
- National airspace system15%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from DAL to BHM delayed?
- 26% of DAL–BHM 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 16 minutes.
- What is the best time of day to fly from DAL to BHM?
- Departures around 7 a.m. have the best record (93% on-time), while departures around 9 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAL to BHM?
- The scheduled DAL–BHM flight time averages 1h 37m over 587 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are DAL to BHM flights cancelled?
- 1.3% 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 BHM?
- July 2024 was the roughest month in this dataset, with only 50% of arrivals on time. The best was January 2026 at 89%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 2,024 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.