Best Time to Fly DFW to SAT: On-Time Stats by Hour & Airline
Dallas/Fort Worth International → San Antonio International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 67.0% of Dallas/Fort Worth (DFW) to San Antonio (SAT) flights arrived on time (4,376 scheduled flights). That is 10.6 points below the national average of 77.6%.
SkyWest Airlines was the most punctual of the 3 airlines on the route at 83.9%, while American Airlines trailed at 63.9%.
October has been the best month (77% on time) and Sunday the weakest day of the week (62%).
3.1% of flights were cancelled, versus 1.8% nationally.
DFW to SAT 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 |
|---|---|---|---|---|
| SkyWest Airlines | 83.9% | 72 min | 2.0% | 344 |
| Envoy Air | 77.3% | 55 min | 2.9% | 487 |
| American Airlines | 63.9% | 83 min | 3.3% | 3,540 |
| PSA Airlines | Limited data | 5 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DFW to SAT
On-time arrival % by scheduled departure hour (local time), 9,034 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 83.8% | 2.5% | 653 |
| 8am–9am | 78.3% | 2.3% | 726 |
| 9am–10am | 85.4% | 1.9% | 308 |
| 10am–11am | 77.1% | 2.0% | 584 |
| 11am–12pm | 73.1% | 1.3% | 158 |
| 12pm–1pm | 77.4% | 1.9% | 464 |
| 1pm–2pm | 65.2% | 2.6% | 386 |
| 2pm–3pm | 70.2% | 3.1% | 714 |
| 3pm–4pm | 69.2% | 3.3% | 602 |
| 4pm–5pm | 62.2% | 2.6% | 645 |
| 5pm–6pm | 62.5% | 3.8% | 613 |
| 6pm–7pm | 57.2% | 4.7% | 642 |
| 7pm–8pm | 53.1% | 3.7% | 596 |
| 8pm–9pm | 57.7% | 4.3% | 584 |
| 9pm–10pm | 64.4% | 3.7% | 842 |
| 10pm–11pm | 56.5% | 4.1% | 513 |
| 11pm–12am | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DFW to SAT
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) | 64.8% | -4.7 pts | 0.0% | 159 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.7% | -0.8 pts | 2.0% | 352 |
| Summer peak (Jun 15 - Aug 15) | 60.2% | -9.3 pts | 2.7% | 1,594 |
| All other days | 69.5% | — | 3.4% | 6,929 |
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).