San Jose (SJC) to Austin (AUS): On-Time Performance
Data through July 2026
San Jose (SJC) to Austin (AUS) effectively runs on two schedules. In September 2024, 90% of arrivals were on time; in June 2026 that fell to 62% — a 28-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 69%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 3.1
- last 12 months
- Duration
- 3h 21m
- scheduled
- Distance
- 1,476 mi
Monthly on-time trend
Best time to fly from SJC to AUS
Aim for departures around 7 a.m. (97% on-time); avoid 3 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 13 min |
| Tuesday | 85% | 9 min |
| Wednesday | 85% | 8 min |
| Thursday | 76% | 13 min |
| Friday | 73% | 13 min |
| Saturdaybest | 90% | 7 min |
| Sunday | 75% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft58%
- Airline operations28%
- National airspace system14%
Frequently asked questions
- How often are flights from SJC to AUS delayed?
- 21% of SJC–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 11 minutes.
- What is the best time of day to fly from SJC to AUS?
- Departures around 7 a.m. have the best record (97% on-time), while departures around 3 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJC to AUS?
- The scheduled SJC–AUS flight time averages 3h 21m over 1,476 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are SJC to AUS flights cancelled?
- 0.2% 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 SJC to AUS?
- June 2026 was the roughest month in this dataset, with only 62% of arrivals on time. The best was September 2024 at 90%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 2,425 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.