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Airport Reliability

TYS · Knoxville

McGhee Tyson Airport

80%
Departures within 15 minutes
15 min
Average departure delay
75%
Arrivals within 15 minutes
2.2%
Departures cancelled

Based on 22,563 departures and 22,564 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from TYS departing between 3–6 AM arrived on time 92% of the time, versus 38% between 9 PM–12 AM.

Tuesday comes out ahead.

A small edge: 81% on time on Tuesdays against 76% on Sundays.

When TYS gets messy

On-time by departure window
  • 3–6 AM92%(1070 flights)
  • 6–9 AM85%(5960 flights)
  • 9 AM–12 PM83%(3987 flights)
  • 12–3 PM80%(4068 flights)
  • 3–6 PM70%(4375 flights)
  • 6–9 PM70%(2319 flights)
  • 9 PM–12 AM38%(202 flights)
On-time by weekday
  • Mon78%(3414 flights)
  • Tue81%(2807 flights)
  • Wed81%(2891 flights)
  • Thu80%(3301 flights)
  • Fri79%(3419 flights)
  • Sat79%(2785 flights)
  • Sun76%(3364 flights)
On-time trend by month
80%
May

Jun 71% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%1949
July 202573%1981
August 202580%1931
September 202586%1825
October 202579%2043
November 202579%1795
December 202573%1756
January 202680%1488
February 202684%1431
March 202680%1848
April 202685%1893
May 202680%2041

Airlines departing TYS

Busiest routes from TYS

Based on 22,563 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.