Best Time to Fly MIA to DAL: On-Time Stats by Hour & Airline
Miami International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
419 flights were scheduled from Miami (MIA) to Dallas (DAL) in the last 12 months, and 69.4% of those that flew arrived on time, 8.2 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (83% on time) and July the worst month (60%).
The cancellation rate was 0.7% (US average 1.8%).
MIA to DAL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 69.4% | 56 min | 0.7% | 419 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to DAL
On-time arrival % by scheduled departure hour (local time), 840 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 95.5% | 0.0% | 44 |
| 7am–8am | 92.4% | 2.9% | 68 |
| 8am–9am | 88.8% | 1.0% | 99 |
| 9am–10am | 89.2% | 0.0% | 75 |
| 10am–11am | Limited data | 5 | |
| 11am–12pm | 73.5% | 0.0% | 68 |
| 12pm–1pm | 68.5% | 0.0% | 110 |
| 1pm–2pm | 72.7% | 2.2% | 91 |
| 2pm–3pm | 73.5% | 0.0% | 34 |
| 3pm–4pm | 61.0% | 2.4% | 84 |
| 4pm–5pm | 50.0% | 0.0% | 58 |
| 5pm–6pm | 42.2% | 1.4% | 73 |
| 6pm–7pm | Limited data | 25 | |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA to DAL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 78.1% | +4.4 pts | 3.0% | 33 |
| Summer peak (Jun 15 - Aug 15) | 62.1% | -11.6 pts | 0.6% | 156 |
| All other days | 73.7% | — | 0.9% | 637 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).