Dallas/Fort Worth (DFW) to Miami (MIA): On-Time Performance
Data through July 2026
When you fly DFW to MIA matters as much as anything else about the booking: the route swung from 80% on-time in November 2024 to just 52% in July 2026. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (80% vs 58%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 13
- last 12 months
- Duration
- 2h 54m
- scheduled
- Distance
- 1,121 mi
Best airline from DFW to MIA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 80% | 14 min | 1.9% | 668 |
| American Airlines | 69% | 24 min | 2.0% | 8,884 |
| Frontier Airlines | 61% | 34 min | 2.3% | 511 |
Monthly on-time trend
Best time to fly from DFW to MIA
Aim for departures around 5 a.m. (84% on-time); avoid 8 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 67% | 29 min |
| Tuesdaybest | 73% | 21 min |
| Wednesday | 71% | 22 min |
| Thursday | 68% | 26 min |
| Friday | 71% | 19 min |
| Saturday | 66% | 26 min |
| Sunday | 68% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations36%
- National airspace system18%
- Weather8%
Frequently asked questions
- How often are flights from DFW to MIA delayed?
- 31% of DFW–MIA 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 24 minutes.
- Which airline is most reliable from DFW to MIA?
- Spirit Airlines has the best on-time record on this route at 80%, based on 668 flights. 3 airlines flew DFW–MIA frequently enough to compare in this period.
- What is the best time of day to fly from DFW to MIA?
- Departures around 5 a.m. have the best record (84% on-time), while departures around 8 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DFW to MIA?
- The scheduled DFW–MIA flight time averages 2h 54m over 1,121 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are DFW to MIA 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 DFW to MIA?
- July 2026 was the roughest month in this dataset, with only 52% of arrivals on time. The best was November 2024 at 80%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 10,063 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.