Miami (MIA) to Dallas (DAL): On-Time Performance
Data through July 2026
The calendar drives reliability on MIA–DAL. February 2025 flights landed on schedule 93% of the time, but July 2026 dropped to 45% — a gap of 48 points. Across the full period the route averages 71% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 43%), which matters most in the rough months.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 1.1
- last 12 months
- Duration
- 3h 8m
- scheduled
- Distance
- 1,109 mi
Monthly on-time trend
Best time to fly from MIA to DAL
Aim for departures around 6 a.m. (96% on-time); avoid 5 p.m. departures (42%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 81% | 12 min |
| Tuesday | 81% | 13 min |
| Wednesday | 79% | 8 min |
| Thursday | 74% | 14 min |
| Friday | 76% | 14 min |
| Saturday | 57% | 26 min |
| Sunday | 65% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations25%
- National airspace system23%
- Weather4%
Frequently asked questions
- How often are flights from MIA to DAL delayed?
- 29% of MIA–DAL 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 19 minutes.
- What is the best time of day to fly from MIA to DAL?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 5 p.m. have the worst (42%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to DAL?
- The scheduled MIA–DAL flight time averages 3h 8m over 1,109 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are MIA to DAL flights cancelled?
- 0.9% 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 MIA to DAL?
- July 2026 was the roughest month in this dataset, with only 45% of arrivals on time. The best was February 2025 at 93%. If your dates are flexible, that 48-point gap is worth planning around.
Explore related pages
More routes from MIA
Other ways to fly to Dallas (DAL)
Related guides
Based on 879 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.