San Diego (SAN) to Austin (AUS): On-Time Performance
Data through July 2026
The calendar drives reliability on SAN–AUS. January 2026 flights landed on schedule 87% of the time, but July 2026 dropped to 57% — a gap of 30 points. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (79% vs 67%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 7.1
- last 12 months
- Duration
- 2h 55m
- scheduled
- Distance
- 1,164 mi
Best airline from SAN to AUS
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 76% | 16 min | 1.2% | 1,444 |
| Alaska Airlines | 72% | 17 min | 1.3% | 310 |
| Frontier Airlines | 71% | 15 min | 1.5% | 134 |
| Southwest Airlines | 70% | 17 min | 0.7% | 2,937 |
Monthly on-time trend
Best time to fly from SAN to AUS
Aim for departures around 6 a.m. (90% on-time); avoid 8 p.m. departures (38%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 69% | 18 min |
| Tuesdaybest | 81% | 9 min |
| Wednesday | 81% | 11 min |
| Thursday | 66% | 20 min |
| Friday | 63% | 24 min |
| Saturday | 79% | 13 min |
| Sunday | 68% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations24%
- National airspace system20%
- Weather2%
Frequently asked questions
- How often are flights from SAN to AUS delayed?
- 28% of SAN–AUS 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 17 minutes.
- Which airline is most reliable from SAN to AUS?
- SkyWest Airlines has the best on-time record on this route at 76%, based on 1,444 flights. 4 airlines flew SAN–AUS frequently enough to compare in this period.
- What is the best time of day to fly from SAN to AUS?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (38%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAN to AUS?
- The scheduled SAN–AUS flight time averages 2h 55m over 1,164 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are SAN to AUS flights cancelled?
- 0.9% 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 SAN to AUS?
- July 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was January 2026 at 87%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 4,825 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.