Southwest Airlines is the most reliable airline on the RDU to BWI route with a 85% on-time rate. Based on 6,410 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RDU to BWI
Raleigh to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines85%
RDU to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 85% | 1.4% | 54m | 6,410 |
Route Overview
85%
Overall On-Time
55m
Avg Delay
1.4%
Cancel Rate
6,438
Total Flights
Flying out of RDU? 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.