Dallas to Miami Flight Delays
Sample size: 13,582 DFW–MIA flights, January 2023 to December 2025 (BTS). 30.31% of Dallas to Miami flights arrived at least 15 minutes late. That is 6.1 points worse than the 24.2% median for those routes, so schedule padding matters here. Departure time moves the odds more than anything else on this route: 06:00 departures run 16.08% late against 46.22% for 15:00. Tuesday is the calmest day at 25.92%, Thursday the worst at 32.54%. Cancellations (2024 to 2025) peak in June at 3.37% of scheduled flights and bottom out in February at 0.26%. Last updated: 2026-10-01.
These figures are historical US domestic rates, not a forecast for one departure. Use the per-flight delay estimate before you book.
DFW airport delay guide · MIA airport delay guide · Predict a DFW to MIA flight
Best time to fly DFW to MIA
The best time to fly DFW to MIA is the 6 AM departure and fly on a Tuesday, not a Thursday (25.92% against 32.54%): 16.08% of 6 AM flights arrived 15+ minutes late, against 46.22% at 3 PM.
Lowest observed delay rates depart 05:00–07:00. The highest sit at 15:00, 20:00–21:00. Only departure hours with at least 100 recorded flights are listed, so sparse hours are blank rather than estimated.
| Departure hour | Delayed 15+ min | Flights observed |
|---|---|---|
| 05:00 | 16.64% | 1,244 |
| 06:00 | 16.08% | 970 |
| 07:00 | 21.06% | 1,187 |
| 08:00 | 21.47% | 1,155 |
| 09:00 | 23.58% | 123 |
| 10:00 | 23.11% | 1,047 |
| 11:00 | 29.29% | 140 |
| 12:00 | 29.62% | 1,148 |
| 13:00 | 31.54% | 260 |
| 14:00 | 36.28% | 1,086 |
| 15:00 | 46.22% | 225 |
| 16:00 | 40.23% | 947 |
| 17:00 | 34.13% | 920 |
| 18:00 | 39.43% | 1,116 |
| 19:00 | 41.98% | 698 |
| 20:00 | 45.38% | 1,148 |
| 21:00 | 43.98% | 166 |
DFW to MIA flight time and distance
Scheduled gate-to-gate time from DFW to MIA is a median 2 h 53 min. Flights actually took a median 2 h 44 min gate to gate, including 2 h 17 min in the air. 3.4% ran 30 or more minutes over schedule and 73.6% arrived sooner than scheduled (BTS data, January 2023 to December 2025).
DFW to MIA is 1,121 miles (BTS data).
| Airline | Scheduled (median) | Actual (median) | In the air (median) | 30+ min over schedule | Flights |
|---|---|---|---|---|---|
| American Airlines | 2 h 52 min | 2 h 44 min | 2 h 16 min | 3.5% | 11,704 |
| Spirit Airlines (ceased operating May 2026) | 2 h 54 min | 2 h 44 min | 2 h 18 min | 3.3% | 1,317 |
| Frontier Airlines | 2 h 58 min | 2 h 48 min | 2 h 18 min | 2.1% | 560 |
How late, and why
When a DFW to MIA flight was late (15+ minutes), it arrived an average of 73 minutes late (median 45). 11.6% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
Of the delay minutes on late DFW to MIA flights, 37.7% were caused by a late incoming aircraft, 34.8% by the airline (crew, maintenance, ground handling), 21.0% by the air-traffic system (volume, non-extreme weather, airport operations), 6.3% by extreme weather and 0.3% by security (BTS data, 2023 to 2025).
| Cause | Share of delay minutes |
|---|---|
| late incoming aircraft | 37.7% |
| airline | 34.8% |
| air-traffic system | 21.0% |
| extreme weather | 6.3% |
| security | 0.3% |
BTS assigns causes to delay minutes on flights that arrived 15+ minutes late. "Air-traffic system" includes non-extreme weather that slows traffic.
DFW to MIA delays by day of week
| Day | Delayed 15+ min | Flights observed |
|---|---|---|
| Mon | 30.96% | 2,006 |
| Tue | 25.92% | 1,883 |
| Wed | 30.52% | 1,917 |
| Thu | 32.54% | 1,890 |
| Fri | 29.96% | 1,979 |
| Sat | 31.79% | 1,960 |
| Sun | 30.41% | 1,947 |
Month-by-month cancellation pattern
Share of scheduled DFW–MIA flights cancelled in each month, from BTS 2024–2025 on-time reporting. These are cancellations, not delays. Delay figures on this page cover January 2023 to December 2025.
| Month | Cancelled | Flights scheduled |
|---|---|---|
| Jan | 2.51% | 838 |
| Feb | 0.26% | 782 |
| Mar | 2.25% | 846 |
| Apr | 2.15% | 743 |
| May | 2.85% | 841 |
| Jun | 3.37% | 832 |
| Jul | 1.75% | 857 |
| Aug | 2.34% | 855 |
| Sep | 1.77% | 792 |
| Oct | 0.86% | 814 |
| Nov | 1.09% | 825 |
| Dec | 1.24% | 804 |
Airlines on DFW to MIA: delays and cancellations
American Airlines and Frontier Airlines fly this route today. Spirit Airlines also appear in the history below but has ceased operations. Only carriers with at least 200 scheduled flights on the pairing are listed. Delay rates cover January 2023 to December 2025; cancellation rates cover 2024 to 2025.
| Airline | Share of flights | Delayed 15+ min | Cancelled | Flights scheduled |
|---|---|---|---|---|
| American Airlines | 86% | 30.1% | 1.82% | 8,497 |
| Spirit Airlines (ceased operations 2 May 2026) | 9% | 25.97% | 1.45% | 899 |
| Frontier Airlines | 4% | 45% | 3.93% | 433 |
Related pages
- DFW delays: rate, worst hours and live risk
- MIA delays: rate, worst hours and live risk
- US airline cancellation rates
- Thanksgiving and Christmas 2026 flight delay guide
- Predict a DFW to MIA flight
Check your odds: Will my flight be delayed? · Will my flight be cancelled?
DFW vs MIA: airport conditions
Both ends of a route shape its delay profile. These are DelayGuard's operational scores for Dallas and Miami.
| Measure | DFW (Dallas) | MIA (Miami) |
|---|---|---|
| Congestion | high | high |
| Weather risk | moderate | moderate |
| NAS vulnerability | moderate | high |
| Average taxi-out | 19 min | 17 min |
| Runways | 7 | 4 |
DFW to MIA questions
- How long is the flight from Dallas to Miami?
- Scheduled gate-to-gate time from DFW to MIA is a median 2 h 53 min, and flights actually took a median 2 h 44 min including 2 h 17 min in the air. 3.4% ran 30+ minutes over schedule (BTS data, January 2023 to December 2025).
- How often do DFW to MIA flights get delayed?
- Across 13,582 recorded DFW–MIA departures, January 2023 to December 2025 (BTS), 30.31% arrived at least 15 minutes late. Departure time matters most: 6:00 departures run 16.08% late against 46.22% for 15:00. Actual delay frequency varies by airline, time of day, and season.
- What is the best time of year to fly DFW to MIA?
- Both Dallas and Miami share the same primary risk window: June–September (convective/thunderstorm season). Plan around those periods for the lowest delay probability on this route.
- Which airline is most reliable on DFW to MIA?
- On DFW→MIA, American Airlines has the lowest measured delay rate at 30.1% of 11,704 flights, and Frontier Airlines the highest at 45% (BTS, January 2023 to December 2025). American Airlines cancels the fewest at 1.82% (2024 to 2025). These are route-specific figures, not airline-wide averages.
- How late are DFW to MIA flights when they are delayed?
- When a DFW to MIA flight was late (15+ minutes), it arrived an average of 73 minutes late (median 45). 11.6% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's delay risk score comes from an ML model trained on BTS data (3.95 million US domestic flights, 2023 to mid-2025), with live weather data (within 5 days of departure) and FAA NAS advisories (within 6 hours) — a likelihood of delay, not a guarantee.
Delay figures reflect arrivals 15 or more minutes late in BTS on-time reporting. Cancellation figures are separate and count flights that never operated. Hours, days and months with fewer than 100 recorded flights are omitted rather than estimated.