Southwest Airlines is the most reliable airline on the BOI to MDW route with a 86% on-time rate. Based on 127 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BOI to MDW
Boise to Chicago — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines86%
BOI to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 86% | 0.0% | 41m | 127 |
Route Overview
87%
Overall On-Time
43m
Avg Delay
0%
Cancel Rate
127
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.