Southwest Airlines is the most reliable airline on the HOU to BWI route with a 81% on-time rate. Based on 5,033 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: HOU to BWI
Houston to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
HOU to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 1.4% | 48m | 5,033 |
Route Overview
80%
Overall On-Time
48m
Avg Delay
1.4%
Cancel Rate
5,033
Total Flights
Flying out of HOU? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.