Southwest Airlines is the most reliable airline on the MEM to DCA route with a 86% on-time rate, compared to PSA Airlines at 78%. Based on 52 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MEM to DCA
Memphis to Washington — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines86%
Republic Airways85%
81%
PSA Airlines78%
MEM to DCA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 86% | 0.0% | 32m | 52 |
| Republic AirwaysYX | 85% | 2.6% | 60m | 2,146 |
| MQ | 81% | 2.4% | 48m | 204 |
| PSA AirlinesOHWorst | 78% | 4.5% | 92m | 1,740 |
Route Overview
82%
Overall On-Time
75m
Avg Delay
3%
Cancel Rate
4,197
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.