Alaska Airlines is the most reliable airline on the SAN to SMF route with a 81% on-time rate, compared to Frontier Airlines at 75%. Based on 210 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to SMF
San Diego to Sacramento — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines81%
Spirit Airlines81%
Southwest Airlines79%
SkyWest Airlines78%
Frontier Airlines75%
SAN to SMF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 81% | 2.5% | 33m | 210 |
| Spirit AirlinesNK | 81% | 2.0% | 67m | 237 |
| Southwest AirlinesWN | 79% | 0.7% | 49m | 14,579 |
| SkyWest AirlinesOO | 78% | 0.8% | 53m | 4,338 |
| Frontier AirlinesF9Worst | 75% | 1.8% | 38m | 112 |
Route Overview
78%
Overall On-Time
50m
Avg Delay
0.8%
Cancel Rate
19,487
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.