Alaska Airlines is the most reliable airline on the SMF to SAN route with a 84% on-time rate, compared to Frontier Airlines at 75%. Based on 210 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SMF to SAN
Sacramento to San Diego — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines84%
SkyWest Airlines81%
Southwest Airlines77%
Spirit Airlines77%
Frontier Airlines75%
SMF to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 84% | 2.8% | 38m | 210 |
| SkyWest AirlinesOO | 81% | 1.0% | 58m | 4,340 |
| Southwest AirlinesWN | 77% | 0.7% | 49m | 14,501 |
| Spirit AirlinesNK | 77% | 1.5% | 84m | 237 |
| Frontier AirlinesF9Worst | 75% | 2.7% | 74m | 112 |
Route Overview
78%
Overall On-Time
51m
Avg Delay
0.8%
Cancel Rate
19,411
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.