Best Time to Fly SAT to DAL: On-Time Stats by Hour & Airline
San Antonio International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
2,743 flights were scheduled from San Antonio (SAT) to Dallas (DAL) in the last 12 months, and 83.3% of those that flew arrived on time, 5.7 points above the US 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 (89% on time) and June the worst month (72%).
The cancellation rate was 1.1% (US average 1.8%).
SAT 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 | 83.3% | 59 min | 1.1% | 2,743 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAT to DAL
On-time arrival % by scheduled departure hour (local time), 5,462 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.8% | 1.1% | 356 |
| 6am–7am | 95.8% | 0.0% | 333 |
| 7am–8am | 96.6% | 2.1% | 335 |
| 8am–9am | 98.8% | 1.2% | 259 |
| 9am–10am | 90.5% | 3.6% | 305 |
| 10am–11am | 94.1% | 2.0% | 344 |
| 11am–12pm | 88.8% | 1.6% | 381 |
| 12pm–1pm | 87.8% | 1.6% | 442 |
| 1pm–2pm | 85.9% | 1.3% | 302 |
| 2pm–3pm | 75.3% | 1.7% | 296 |
| 3pm–4pm | 72.6% | 1.2% | 334 |
| 4pm–5pm | 73.0% | 0.6% | 180 |
| 5pm–6pm | 77.3% | 1.0% | 304 |
| 6pm–7pm | 71.3% | 0.8% | 389 |
| 7pm–8pm | 72.8% | 1.4% | 355 |
| 8pm–9pm | 68.8% | 0.7% | 307 |
| 9pm–10pm | 75.5% | 1.8% | 225 |
| 10pm–11pm | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAT 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) | 84.5% | -0.5 pts | 0.0% | 84 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -10.0 pts | 0.5% | 189 |
| Summer peak (Jun 15 - Aug 15) | 79.9% | -5.2 pts | 1.5% | 873 |
| All other days | 85.0% | — | 1.4% | 4,316 |
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).