Southwest Airlines is the most reliable airline on the BWI to BHM route with a 81% on-time rate. Based on 1,206 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to BHM
Baltimore to Birmingham — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
BWI to BHM Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 0.6% | 52m | 1,206 |
Route Overview
80%
Overall On-Time
52m
Avg Delay
0.7%
Cancel Rate
1,206
Total Flights
Flying out of BWI? 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.