Southwest Airlines is the most reliable airline on the MDW to GRR route with a 77% on-time rate. Based on 3,425 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to GRR
Chicago to Grand Rapids — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines77%
MDW to GRR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 77% | 0.7% | 55m | 3,425 |
Route Overview
77%
Overall On-Time
55m
Avg Delay
0.7%
Cancel Rate
3,425
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.