Spirit Airlines is the most reliable airline on the AUS to SMF route with a 86% on-time rate, compared to Southwest Airlines at 71%. Based on 86 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: AUS to SMF
Austin to Sacramento — airline reliability comparison
On-Time Rate by Airline
Spirit Airlines86%
80%
Southwest Airlines71%
AUS to SMF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Spirit AirlinesNKBest | 86% | 0.0% | 93m | 86 |
| MQ | 80% | 0.0% | 31m | 234 |
| Southwest AirlinesWNWorst | 71% | 0.6% | 51m | 1,669 |
Route Overview
73%
Overall On-Time
51m
Avg Delay
0.5%
Cancel Rate
1,994
Total Flights
Flying out of AUS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.