Southwest Airlines is the most reliable airline on the SMF to MDW route with a 87% on-time rate. Based on 2,189 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SMF to MDW
Sacramento to Chicago — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines87%
SMF to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 87% | 0.4% | 38m | 2,189 |
Route Overview
87%
Overall On-Time
39m
Avg Delay
0.3%
Cancel Rate
2,189
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.