Historical on-time performance
Sacramento to Austin
1,481 miData through Dec 2025Source: US DOT · BTS
Flights on SMF–AUS arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 552 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.2%Flights552
Why flights run late
Delay causes
- Airline30%
- Weather0%
- Air traffic (NAS)13%
- Late aircraft57%
- 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 SMF → AUS
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 · 941 flights
- Middays79% on time · p90 25 min · 514 flights
- Afternoons60% on time · p90 70 min · 301 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Wednesdays87% on time · p90 15 min · 246 flights
- Fridays83% on time · p90 30 min · 274 flights
- Tuesdays82% on time · p90 25 min · 247 flights
- Saturdays82% on time · p90 20 min · 215 flights
- Thursdays81% on time · p90 35 min · 270 flights
- Mondays81% on time · p90 25 min · 272 flights
- Sundays79% on time · p90 25 min · 258 flights
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