Historical on-time performance
Sacramento to Austin
1,481 miData through May 2026Source: US DOT · BTS
Flights on SMF–AUS arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 418 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.2%Flights418
Why flights run late
Delay causes
- Airline39%
- Weather0%
- Air traffic (NAS)17%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 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 SMF → 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 — 91% on time.
- Mornings91% on time · p90 10 min · 951 flights
- Middays77% on time · p90 30 min · 481 flights
- Afternoons60% on time · p90 65 min · 299 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 88% on time.
- Wednesdays88% on time · p90 15 min · 241 flights
- Saturdays84% on time · p90 20 min · 214 flights
- Fridays82% on time · p90 30 min · 271 flights
- Tuesdays82% on time · p90 25 min · 242 flights
- Thursdays81% on time · p90 35 min · 268 flights
- Mondays79% on time · p90 25 min · 267 flights
- Sundays75% on time · p90 35 min · 254 flights
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