San Antonio (SAT) to Los Angeles (LAX): On-Time Performance
Data through July 2026
San Antonio (SAT) to Los Angeles (LAX) effectively runs on two schedules. In October 2024, 94% of arrivals were on time; in March 2025 that fell to 79% — a 15-point seasonal swing. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 72%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 5.1
- last 12 months
- Duration
- 3h 19m
- scheduled
- Distance
- 1,211 mi
Best airline from SAT to LAX
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 90% | 11 min | 0.3% | 1,221 |
| Delta Air Lines | 89% | 11 min | 0.6% | 1,426 |
| American Airlines | 87% | 19 min | 0.0% | 179 |
| Spirit Airlines | 85% | 13 min | 1.2% | 513 |
| Southwest Airlines | 77% | 13 min | 0.0% | 779 |
Monthly on-time trend
Best time to fly from SAT to LAX
Aim for departures around 8 a.m. (95% on-time); avoid 7 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 19 min |
| Tuesday | 86% | 12 min |
| Wednesday | 88% | 9 min |
| Thursday | 85% | 11 min |
| Friday | 86% | 12 min |
| Saturdaybest | 88% | 12 min |
| Sunday | 87% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations56%
- National airspace system7%
- Weather5%
Frequently asked questions
- How often are flights from SAT to LAX delayed?
- 14% of SAT–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from SAT to LAX?
- SkyWest Airlines has the best on-time record on this route at 90%, based on 1,221 flights. 5 airlines flew SAT–LAX frequently enough to compare in this period.
- What is the best time of day to fly from SAT to LAX?
- Departures around 8 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAT to LAX?
- The scheduled SAT–LAX flight time averages 3h 19m over 1,211 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SAT to LAX flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SAT to LAX?
- March 2025 was the roughest month in this dataset, with only 79% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 15-point gap is worth planning around.
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Based on 4,118 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.