Republic Airways is the most reliable airline on the DCA to TYS route with a 88% on-time rate, compared to PSA Airlines at 72%. Based on 127 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to TYS
Washington to Knoxville — airline reliability comparison
On-Time Rate by Airline
Republic Airways88%
84%
PSA Airlines72%
DCA to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 88% | 1.7% | 50m | 127 |
| MQ | 84% | 1.1% | 58m | 412 |
| PSA AirlinesOHWorst | 72% | 3.3% | 83m | 3,242 |
Route Overview
75%
Overall On-Time
81m
Avg Delay
2.9%
Cancel Rate
3,830
Total Flights
Flying out of DCA? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.