FlightRecord

Detroit (DTW) to Knoxville (TYS): On-Time Performance

Data through May 2026

Detroit (DTW) to Knoxville (TYS) is a thinner route than most in this dataset — 0 departures over the past year, roughly 1 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 85% arrived on time, comfortably above the national average of 78%.

On-time
85%
arrived <15 min late
Avg delay
10 min
completed flights
Cancelled
1.3%
Flights/day
0.00
last 12 months
Duration
1h 35m
scheduled
Distance
443 mi

Monthly on-time trend

Monthly on-time percentage for DTW to TYS flights50%75%100%June 2024: 75% on-time (57 flights)75Jun 2024July 2024: 79% on-time (60 flights)79August 2024: 80% on-time (62 flights)80September 2024: 97% on-time (60 flights)97Sep 2024October 2024: 93% on-time (56 flights)93November 2024: 89% on-time (55 flights)89December 2024: 84% on-time (49 flights)84Dec 2024

Best time to fly from DTW to TYS

Aim for departures around 10 a.m. (94% on-time); avoid 7 p.m. departures (74%).

By day of week

DayOn-timeAvg delay
Monday83%9 min
Tuesday89%6 min
Wednesday83%12 min
Thursday82%12 min
Friday87%13 min
Saturdaybest91%3 min
Sunday83%13 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft52%
  • Airline operations34%
  • National airspace system11%
  • Weather5%

Frequently asked questions

How often are flights from DTW to TYS delayed?
15% of DTW–TYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 10 minutes.
What is the best time of day to fly from DTW to TYS?
Departures around 10 a.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from DTW to TYS?
The scheduled DTW–TYS flight time averages 1h 35m over 443 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
How often are DTW to TYS flights cancelled?
1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What day of the week is most reliable for DTW to TYS?
Saturday flights have the best record at 91% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 82%.

Based on 399 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.