Southwest Airlines is the most reliable airline on the SMF to AUS route with a 83% on-time rate, compared to at 81%. Based on 1,670 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SMF to AUS
Sacramento to Austin — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines83%
Spirit Airlines82%
81%
SMF to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 83% | 0.2% | 43m | 1,670 |
| Spirit AirlinesNK | 82% | 1.4% | 76m | 86 |
| MQWorst | 81% | 0.0% | 39m | 234 |
Route Overview
83%
Overall On-Time
46m
Avg Delay
0.2%
Cancel Rate
1,995
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.