Southwest Airlines is the most reliable airline on the SMF to GEG route with a 81% on-time rate. Based on 2,287 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SMF to GEG
Sacramento to Spokane — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
SMF to GEG Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 0.0% | 52m | 2,287 |
Route Overview
81%
Overall On-Time
51m
Avg Delay
0%
Cancel Rate
2,287
Total Flights
Flying out of SMF? 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.