DCA (Washington) to TYS (Knoxville) flights arrive on time 72% of the time. The most reliable airline on this route is Republic Airways at 89%. The average delay is 78 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.DCA → TYS
DCA (Washington) to TYS (Knoxville)
DCA → TYS on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 72% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways is significantly more reliable on this route at 89% on time vs PSA Airlines at 69%.
Airline Comparison
Republic Airways leads at 89% on time; PSA Airlines trails at 69%.
Accurate?
Good to know
Departing from DCA
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. DCA has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
DCA cancels 2.6% of flights — higher than average. Have a backup plan.
Arriving at TYS
80% on timeWhen flights into TYS are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at TYS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.