Southwest Airlines is the most reliable airline on the DCA to HOU route with a 78% on-time rate. Based on 3,732 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to HOU
Washington to Houston — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines78%
DCA to HOU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 78% | 1.7% | 58m | 3,732 |
Route Overview
78%
Overall On-Time
58m
Avg Delay
1.7%
Cancel Rate
3,732
Total Flights
Flying out of DCA? 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.