Miami (MIA) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
When you fly MIA to DFW matters as much as anything else about the booking: the route swung from 87% on-time in October 2024 to just 60% in August 2024. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 64%), which matters most in the rough months.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 13
- last 12 months
- Duration
- 3h 22m
- scheduled
- Distance
- 1,121 mi
Best airline from MIA to DFW
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 74% | 20 min | 2.2% | 508 |
| American Airlines | 73% | 22 min | 2.0% | 8,875 |
| Spirit Airlines | 68% | 24 min | 2.1% | 667 |
Monthly on-time trend
Best time to fly from MIA to DFW
Aim for departures around 5 a.m. (88% on-time); avoid 6 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 25 min |
| Tuesdaybest | 78% | 18 min |
| Wednesday | 74% | 17 min |
| Thursday | 75% | 19 min |
| Friday | 73% | 21 min |
| Saturday | 70% | 23 min |
| Sunday | 68% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations29%
- National airspace system22%
- Weather10%
Frequently asked questions
- How often are flights from MIA to DFW delayed?
- 27% of MIA–DFW 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 22 minutes.
- Which airline is most reliable from MIA to DFW?
- Frontier Airlines has the best on-time record on this route at 74%, based on 508 flights. 3 airlines flew MIA–DFW frequently enough to compare in this period.
- What is the best time of day to fly from MIA to DFW?
- Departures around 5 a.m. have the best record (88% on-time), while departures around 6 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to DFW?
- The scheduled MIA–DFW flight time averages 3h 22m over 1,121 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are MIA to DFW flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from MIA to DFW?
- August 2024 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 87%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
More routes from MIA
Other ways to fly to Dallas/Fort Worth (DFW)
Related guides
Based on 10,050 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.