How often are flights from TYS to DTW delayed?

6% of TYS–DTW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 6 minutes.

How long is the flight from TYS to DTW?

The scheduled TYS–DTW flight time averages 1h 44m over 443 miles. Actual arrival times vary — flights on this route land 15+ minutes late 6% of the time.

How often are TYS to DTW flights cancelled?

1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.

What day of the week is most reliable for TYS to DTW?

Saturday flights have the best record at 98% on-time. Day-of-week differences on this route are modest.

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

Data through July 2026

Knoxville (TYS) to Detroit (DTW) is a thinner route than most in this dataset — 1 departures over the past year, roughly 1 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 94% arrived on time, comfortably above the national average of 78%.

On-time: 94%; arrived <15 min late
Avg delay: 6 min; completed flights
Cancelled: 1.2%
Flights/day: 0.00; last 12 months
Duration: 1h 44m; scheduled
Distance: 443 mi

Monthly on-time trend

Best time to fly from TYS to DTW

By day of week

Day	On-time	Avg delay
Monday	90%	14 min
Tuesday	96%	4 min
Wednesday	96%	2 min
Thursday	94%	3 min
Friday	94%	8 min
Saturdaybest	98%	7 min
Sunday	94%	5 min

What causes delays on this route

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

Late-arriving aircraft33%
Airline operations50%
National airspace system14%
Weather2%

Frequently asked questions

How often are flights from TYS to DTW delayed?: 6% of TYS–DTW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 6 minutes.
How long is the flight from TYS to DTW?: The scheduled TYS–DTW flight time averages 1h 44m over 443 miles. Actual arrival times vary — flights on this route land 15+ minutes late 6% of the time.
How often are TYS to DTW flights cancelled?: 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What day of the week is most reliable for TYS to DTW?: Saturday flights have the best record at 98% on-time. Day-of-week differences on this route are modest.

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Based on 343 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.