is the most reliable airline on the DCA to SDF route with a 100% on-time rate, compared to PSA Airlines at 77%. Based on 27 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to SDF
Washington to Louisville — airline reliability comparison
On-Time Rate by Airline
100%
Republic Airways81%
PSA Airlines77%
DCA to SDF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| MQBest | 100% | 3.7% | 0m | 27 |
| Republic AirwaysYX | 81% | 3.9% | 80m | 1,931 |
| PSA AirlinesOHWorst | 77% | 4.4% | 68m | 1,804 |
Route Overview
80%
Overall On-Time
71m
Avg Delay
4%
Cancel Rate
3,810
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.