Historical on-time performance
Austin to San Jose
1,477 miData through Dec 2025Source: US DOT · BTS
Flights on AUS–SJC arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights
based on 1,183 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9040 minCancel0.1%Flights1,183
Why flights run late
Delay causes
- Airline21%
- Weather2%
- Air traffic (NAS)5%
- Late aircraft72%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly AUS → SJC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 1,153 flights
- Middays83% on time · p90 20 min · 765 flights
- Afternoons71% on time · p90 40 min · 579 flights
- Evenings67% on time · p90 50 min · 753 flights
- Overnights63% on time · p90 55 min · 730 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 83% on time.
- Tuesdays83% on time · p90 25 min · 604 flights
- Wednesdays80% on time · p90 25 min · 603 flights
- Fridays76% on time · p90 40 min · 662 flights
- Thursdays76% on time · p90 40 min · 654 flights
- Mondays75% on time · p90 40 min · 661 flights
- Saturdays75% on time · p90 40 min · 306 flights
- Sundays73% on time · p90 40 min · 490 flights
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