San Antonio (SAT) to Dallas/Fort Worth (DFW): On-Time Performance
Data through May 2026
Delays are only half the story on SAT–DFW: 3.2% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 76% land on time, below the national average of 78%. American Airlines has been the safer pick, arriving on time 77% of the time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 12
- last 12 months
- Duration
- 1h 17m
- scheduled
- Distance
- 247 mi
Best airline from SAT to DFW
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 77% | 24 min | 3.0% | 7,456 |
| SkyWest Airlines | 76% | 25 min | 3.1% | 548 |
| Envoy Air | 73% | 22 min | 4.0% | 855 |
| Spirit Airlines | 66% | 20 min | 5.5% | 219 |
Monthly on-time trend
Best time to fly from SAT to DFW
Aim for departures around 5 a.m. (89% on-time); avoid 7 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 26 min |
| Tuesdaybest | 80% | 24 min |
| Wednesday | 76% | 23 min |
| Thursday | 79% | 21 min |
| Friday | 78% | 21 min |
| Saturday | 73% | 24 min |
| Sunday | 73% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations26%
- National airspace system11%
- Weather17%
Frequently asked questions
- How often are flights from SAT to DFW delayed?
- 24% of SAT–DFW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from SAT to DFW?
- American Airlines has the best on-time record on this route at 77%, based on 7,456 flights. 4 airlines flew SAT–DFW frequently enough to compare in this period.
- What is the best time of day to fly from SAT to DFW?
- Departures around 5 a.m. have the best record (89% on-time), while departures around 7 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAT to DFW?
- The scheduled SAT–DFW flight time averages 1h 17m over 247 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are SAT to DFW flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from SAT to DFW?
- July 2024 was the roughest month in this dataset, with only 63% of arrivals on time. The best was February 2026 at 88%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 9,083 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.