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Route · TYS → DTW · 2020–2025 BTS data

Knoxville to Detroit

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TYS to DTW (Knoxville to Detroit) ranks #3223 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

93.3%
On-time
+14.3 pts
vs US avg
84 min
Delay when late
3,206
Flights
#3223 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Nov 2024 100%

Worst Month

Jul 2024 85%

Distance

443 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2024 49 2 0 0 9E
Nov 2024 55 0 0 0 9E
Oct 2024 56 2 0 0 9E
Sep 2024 60 2 0 0 9E
Aug 2024 62 4 2 0 9E
Jul 2024 60 9 2 0 9E
Jun 2024 57 7 0 0 9E
May 2024 45 3 0 0 9E
Apr 2024 30 0 0 0 9E
Mar 2024 31 0 0 0 9E
Jan 2024 31 4 1 0 9E
Dec 2023 31 2 0 1 9E
Nov 2023 30 2 0 0 9E
Oct 2023 31 1 0 0 9E
Sep 2023 59 5 1 1 9E
Aug 2023 62 8 1 0 9E
Jul 2023 53 7 0 0 9E
Jun 2023 30 0 0 0 9E
May 2023 31 1 0 0 9E
Apr 2023 30 1 0 0 9E
Mar 2023 31 4 0 0 9E
Jan 2023 31 3 0 0 9E
Dec 2022 31 4 1 0 9E
Nov 2022 30 1 0 0 9E

TYS–DTW seasonal on-time pattern

Best: May (95.6%) · weakest: January (88.7%)

88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 93.9%

Strongest calendar month

May

95.6% on-time · ~45 flights/mo

Busiest calendar month

February

~71 flights/mo avg

Weakest calendar month

January

88.7% on-time · ~62 flights/mo

Cancellation Rate

0.8%

8 of 1,016 flights

Diversion Rate

0.2%

2 of 1,016 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

TYS - Knoxville

Full on-time, delay-cause, and seasonal performance for Knoxville, TN.

TYS on-time profile

DTW - Detroit

Full on-time, delay-cause, and seasonal performance for Detroit, MI.

DTW on-time profile

Compare the two airports

See TYS and DTW side by side on delays, cancellations, and reliability.

Compare TYS vs DTW

Origin-hub reliability standing

Among TYS's stronger departures

TYS → DTW posts a 93.3% on-time rate, landing in the ≥85% band with 6 of 14 BTS-tracked routes leaving Knoxville. The same hub also shows 6 mid-band and 2 challenged departures · fleet-wide on-time rank #17 of 4927 (highest on-time = #1).

What the Data Says About TYS to DTW

Knoxville to Detroit (TYS to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 93.3% on-time rate across 3,206 flights, with delays that do happen averaging 84.1 minutes. The corridor runs roughly 443 miles and is served by 1 carrier. Over the most recent 24 months, 8 of 1,016 flights were cancelled (0.8%) and 2 diverted (0.2%).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 100% on-time, while Jul 2024 came in at just 85% - a 15-point swing worth factoring into travel timing.

On the multi-year calendar, TYS–DTW peaks in May at 95.6% on-time while February carries the heaviest traffic (~71 flights per month) ; the softest month is January at 88.7%, a 6.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does TYS to DTW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, TYS to DTW ranks #3223 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from TYS to DTW? ▼
Flights from Knoxville to Detroit have a 93.3% on-time rate based on 3,206 flights. The average delay is 84.1 minutes. The best recent month was Nov 2024 with 100% on-time.
What is the cancellation rate for TYS to DTW? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (8 of 1,016 flights) and 0.2% were diverted.
How far is the flight from TYS to DTW? ▼
The flight distance from Knoxville (TYS) to Detroit (DTW) is approximately 443 miles. This route is served by 1 carrier.
When is the best time to fly from TYS to DTW? ▼
The best recent month for on-time performance was Nov 2024 (100% on-time). The worst was Jul 2024 (85% on-time). Consider booking during months with historically better performance.

Airports on this route

TYS Airport

Knoxville
DTW Airport

Detroit
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using TYS–DTW data

TYS–DTW runs 14.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare TYS and DTW airport profiles: delay causes and top routes differ even on the same corridor. TYS airport
  • If your dates flex, May (95.6% on-time) beats January (88.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 93.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.