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Route Reliability

Knoxville → Philadelphia

TYS–PHL · 555 miles · McGhee Tyson Airport to Philadelphia International Airport

80
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 min
Average arrival delay
2.1%
Cancelled
1,001
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines81% on time · 997 flights
  • Allegiant Air75% on time · 4 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning-you made the right choice.

TYS–PHL flights departing between 3–6 AM arrived on time 95% of the time, versus 69% between 6–9 PM.

Sunday scaries are real for this one.

TYS–PHL flights arrived on time 87% of the time on Tuesdays. On Sundays: 74%.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(145 flights)
  • Tue87%(133 flights)
  • Wed78%(137 flights)
  • Thu82%(145 flights)
  • Fri87%(142 flights)
  • Sat79%(131 flights)
  • Sun74%(146 flights)
On-time by departure window
  • 3–6 AM95%(19 flights)
  • 6–9 AM87%(326 flights)
  • 9 AM–12 PM85%(184 flights)
  • 12–3 PM83%(151 flights)
  • 3–6 PM81%(21 flights)
  • 6–9 PM69%(278 flights)
On-time trend by month
81%
May

Jun 65% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%88
July 202568%87
August 202582%87
September 202594%100
October 202581%114
November 202578%69
December 202576%79
January 202687%61
February 202692%51
March 202684%62
April 202687%84
May 202681%97

Keep nerding

Based on 1,001 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.