Historical on-time performance
San Francisco to Austin
Flights on SFO–AUS arrive on time 77% of the time over the last 12 months.
based on 2,575 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Alaska AirlinesOn-time84%Medianon timep9025 minCancel1.0%Flights391
- United AirlinesOn-time83%Medianon timep9025 minCancel0.8%Flights1,644
- Delta Air LinesOn-time60%Median5 minp9065 minCancel2.0%Flights356
- Southwest AirlinesOn-time42%Median20 minp90115 minCancel0.0%Flights184
Why flights run late
Delay causes
- Airline28%
- Weather0%
- Air traffic (NAS)20%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline71%
- Weather25%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 24 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 SFO → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 69% to 90% on time.
- Mornings90% on time · p90 10 min · 2,079 flights
- Overnights87% on time · p90 20 min · 393 flights
- Evenings79% on time · p90 45 min · 1,904 flights
- Middays73% on time · p90 50 min · 2,407 flights
- Afternoons69% on time · p90 50 min · 159 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Saturdays85% on time · p90 20 min · 878 flights
- Tuesdays83% on time · p90 30 min · 956 flights
- Wednesdays80% on time · p90 40 min · 981 flights
- Mondays80% on time · p90 35 min · 1,036 flights
- Fridays79% on time · p90 40 min · 1,032 flights
- Sundays79% on time · p90 40 min · 1,012 flights
- Thursdays77% on time · p90 35 min · 1,047 flights
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