Southwest Airlines is the most reliable airline on the BWI to GRR route with a 81% on-time rate. Based on 1,440 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to GRR
Baltimore to Grand Rapids — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
BWI to GRR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 0.7% | 50m | 1,440 |
Route Overview
80%
Overall On-Time
51m
Avg Delay
0.8%
Cancel Rate
1,440
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.