Southwest Airlines is the most reliable airline on the BWI to PIT route with a 76% on-time rate. Based on 3,800 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to PIT
Baltimore to Pittsburgh — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines76%
BWI to PIT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 76% | 1.2% | 52m | 3,800 |
Route Overview
76%
Overall On-Time
52m
Avg Delay
1.2%
Cancel Rate
3,800
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.