TYS (Knoxville) to PHL (Philadelphia) flights arrive on time 86% of the time. The most reliable airline on this route is Republic Airways at 96%. The average delay is 80 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.TYS → PHL
TYS (Knoxville) to PHL (Philadelphia)
TYS → PHL on-time performance by month
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This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways is significantly more reliable on this route at 96% on time vs Frontier Airlines at 81%.
Airline Comparison
Republic Airways leads at 96% on time; Frontier Airlines trails at 81%.
Accurate?
Good to know
Departing from TYS
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. TYS has long runway queues.
TSA is currently ~28 min. Best time: 4 AM (about 5 min).
Arriving at PHL
77% on timeWhen flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~17 min right now. Allow at least 60 minutes for a domestic connection.
PHL has a 2.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of TYS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.