Best Time to Fly HOU to DAL: On-Time Stats by Hour & Airline
William P Hobby → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
4,047 flights were scheduled from Houston (HOU) to Dallas (DAL) in the last 12 months, and 81.0% of those that flew arrived on time, 3.4 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (91% on time) and Sunday the weakest day of the week (76%).
2.2% of flights were cancelled, versus 1.8% nationally.
HOU 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 | 81.0% | 58 min | 2.2% | 4,047 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to DAL
On-time arrival % by scheduled departure hour (local time), 8,187 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.2% | 0.0% | 64 |
| 6am–7am | 94.9% | 1.8% | 622 |
| 7am–8am | 94.7% | 1.2% | 573 |
| 8am–9am | 89.0% | 2.1% | 557 |
| 9am–10am | 88.9% | 2.2% | 406 |
| 10am–11am | 88.2% | 3.7% | 510 |
| 11am–12pm | 82.8% | 4.1% | 558 |
| 12pm–1pm | 84.1% | 4.1% | 269 |
| 1pm–2pm | 79.7% | 3.6% | 503 |
| 2pm–3pm | 79.8% | 1.9% | 596 |
| 3pm–4pm | 74.4% | 0.8% | 265 |
| 4pm–5pm | 74.3% | 1.1% | 633 |
| 5pm–6pm | 73.6% | 1.9% | 577 |
| 6pm–7pm | 78.1% | 2.2% | 318 |
| 7pm–8pm | 75.0% | 1.2% | 511 |
| 8pm–9pm | 73.8% | 2.5% | 640 |
| 9pm–10pm | 73.4% | 0.9% | 349 |
| 10pm–11pm | 63.1% | 1.3% | 236 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HOU 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) | 88.4% | +5.6 pts | 0.0% | 121 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.2% | -5.6 pts | 1.8% | 274 |
| Summer peak (Jun 15 - Aug 15) | 74.7% | -8.2 pts | 1.5% | 1,369 |
| All other days | 82.9% | — | 2.4% | 6,423 |
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).