Southwest Airlines is the most reliable airline on the BUF to BWI route with a 86% on-time rate. Based on 6,145 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BUF to BWI
Buffalo to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines86%
BUF to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 86% | 1.3% | 59m | 6,145 |
Route Overview
86%
Overall On-Time
58m
Avg Delay
1.3%
Cancel Rate
6,145
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.