Best Time to Fly DAL to HOU: On-Time Stats by Hour & Airline
Dallas Love Field → William P Hobby
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.9% of Dallas (DAL) to Houston (HOU) flights arrived on time (4,053 scheduled flights). That is 2.8 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (82% on time) and June the worst month (65%).
The cancellation rate was 1.9% (US average 1.8%).
DAL to HOU 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 | 74.9% | 55 min | 1.9% | 4,053 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to HOU
On-time arrival % by scheduled departure hour (local time), 8,194 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.0% | 1.4% | 691 |
| 7am–8am | 90.8% | 0.8% | 637 |
| 8am–9am | 85.0% | 1.3% | 603 |
| 9am–10am | 86.2% | 1.4% | 280 |
| 10am–11am | 85.3% | 2.4% | 593 |
| 11am–12pm | 84.1% | 4.6% | 605 |
| 12pm–1pm | 75.8% | 1.9% | 269 |
| 1pm–2pm | 73.0% | 3.5% | 491 |
| 2pm–3pm | 73.1% | 1.7% | 602 |
| 3pm–4pm | 68.6% | 3.6% | 281 |
| 4pm–5pm | 70.3% | 1.9% | 644 |
| 5pm–6pm | 61.5% | 1.4% | 501 |
| 6pm–7pm | 64.2% | 2.6% | 422 |
| 7pm–8pm | 65.4% | 0.8% | 507 |
| 8pm–9pm | 66.8% | 1.9% | 531 |
| 9pm–10pm | 63.7% | 1.2% | 337 |
| 10pm–11pm | 55.3% | 1.5% | 200 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAL to HOU
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) | 89.2% | +12.1 pts | 0.0% | 120 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.3% | -2.7 pts | 1.5% | 274 |
| Summer peak (Jun 15 - Aug 15) | 70.6% | -6.5 pts | 1.5% | 1,377 |
| All other days | 77.1% | — | 2.1% | 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).