BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PHL→TYS

Philadelphia, PA (PHL) to Knoxville, TN (TYS) flight delay odds

64.2% of 335 official scheduled PHL-to-TYS flights arrived on time; 24.8% arrived at least 30 minutes late and 5.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
64.2%arrived on time
24.8%30+ min late
5.1%cancelled
335scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late14.0%all scheduled flights
120+ minutes late7.5%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+20.4 mincompleted flights

Which departure time was most reliable for PHL to TYS?

Only Evening met the PHL-to-TYS departure window threshold: 63.4% of 314 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening31463.4%25.2%5.4%

Which weekday was most reliable for PHL to TYS?

Among qualifying PHL-to-TYS weekday results, Wednesday had the highest on-time rate: 71.7% of 46 flights. Thursday was lowest at 57.7% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday4667.4%19.6%6.5%
Tuesday4864.6%31.2%0.0%
Wednesday4671.7%17.4%6.5%
Thursday5257.7%28.8%7.7%
Friday4562.2%20.0%4.4%
Saturday4663.0%23.9%6.5%
Sunday5263.5%30.8%3.8%

Which airline was most reliable for PHL to TYS?

Only PSA Airlines met the PHL-to-TYS airline threshold: 64.4% of 323 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
PSA Airlines32364.4%24.1%5.3%
Allegiant Air1258.3%41.7%0.0%

Which month was most reliable for PHL to TYS?

Among qualifying PHL-to-TYS month results, October 2025 had the highest on-time rate: 77.4% of 31 flights. July 2025 was lowest at 41.9% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253141.9%41.9%12.9%
August 20253174.2%19.4%6.5%
September 20253070.0%16.7%3.3%
October 20253177.4%19.4%3.2%
November 20254072.5%20.0%0.0%
December 20253342.4%36.4%9.1%
January 20263164.5%19.4%12.9%
April 20262470.8%25.0%0.0%
May 20263571.4%17.1%2.9%
June 20263855.3%31.6%2.6%

What drove PHL to TYS delay minutes?

Late aircraft was the largest recorded PHL-to-TYS delay category, accounting for 50.2% of 9,744 BTS-attributed delay minutes during July 2025–June 2026.

Airline16.4%
Late aircraft50.2%
National airspace17.2%
Weather16.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.