SkyWest Airlines is the most reliable airline on the SEA to SMF route with a 88% on-time rate, compared to Alaska Airlines at 75%. Based on 5,852 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to SMF
Seattle to Sacramento — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines88%
Delta Air Lines80%
Southwest Airlines77%
Alaska Airlines75%
SEA to SMF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 88% | 0.1% | 55m | 5,852 |
| Delta Air LinesDL | 80% | 0.5% | 80m | 454 |
| Southwest AirlinesWN | 77% | 0.3% | 49m | 4,440 |
| Alaska AirlinesASWorst | 75% | 0.8% | 44m | 4,289 |
Route Overview
81%
Overall On-Time
50m
Avg Delay
0.4%
Cancel Rate
15,048
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.