Historical on-time performance
San Diego to Austin
1,164 miData through May 2026Source: US DOT · BTS
Flights on SAN–AUS arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 2,395 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time78%Medianon timep9045 minCancel1.2%Flights967
- Southwest AirlinesOn-time71%Medianon timep9045 minCancel0.5%Flights1,428
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)19%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline21%
- Weather53%
- Air traffic (NAS)26%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 2,127 flights
- Evenings70% on time · p90 60 min · 1,725 flights
- Afternoons69% on time · p90 45 min · 1,031 flights
- Middays66% on time · p90 45 min · 1,505 flights
- Overnights51% on time · p90 80 min · 158 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 80% on time.
- Wednesdays80% on time · p90 30 min · 904 flights
- Tuesdays80% on time · p90 30 min · 894 flights
- Saturdays79% on time · p90 35 min · 700 flights
- Mondays71% on time · p90 45 min · 1,037 flights
- Thursdays70% on time · p90 50 min · 1,009 flights
- Sundays69% on time · p90 55 min · 954 flights
- Fridays67% on time · p90 50 min · 1,048 flights
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