Which airline is most reliable for TYS (Knoxville) to PHL (Philadelphia)?

The most reliable airline on the TYS to PHL route is PSA Airlines, with an on-time arrival rate of 85%.

How often are flights delayed from TYS to PHL?

About 15% of flights from TYS to PHL experience delays. 85% arrive on time.

What's the average delay on TYS to PHL flights?

When flights from TYS to PHL are delayed, the average delay is approximately 84 minutes.

Is a short connection safe after a TYS to PHL flight?

With 85% of TYS to PHL flights arriving on time and an average delay of 84 minutes when late, a connection under 60 minutes at PHL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

TYS → PHL

TYS (Knoxville) to PHL (Philadelphia)

TYS (Knoxville) to PHL (Philadelphia) flights arrive on time 85% of the time. The most reliable airline on this route is PSA Airlines at 85%. The average delay is 84 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated May 2026.

TYS → PHL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 85% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Airlines are roughly equal on this route — PSA Airlines leads slightly at 85% vs Frontier Airlines at 81%.

Airline Comparison

PSA Airlines leads at 85% on time; Frontier Airlines trails at 81%.

Accurate?

Good to know

Departing from TYS

80% on time

Expect ~19 min sitting on the taxiway after your gate pushes back. TYS has long runway queues.

TSA is currently ~13 min. Best time: 4 AM (about 5 min).

More about TYS →

Arriving at PHL

79% on time

When flights into PHL are late, the average delay is 79 minutes. Build buffer if you have ground plans.

If connecting at PHL: TSA is ~31 min right now. Allow at least 60 minutes for a domestic connection.

More about PHL →Connection times at PHL →

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Data last updated May 2026. Source: Bureau of Transportation Statistics.