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Route · DTW → TYS · 2020–2025 BTS data

Detroit to Knoxville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to TYS (Detroit to Knoxville) ranks #3224 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.9%
On-time
+9.9 pts
vs US avg
76 min
Delay when late
3,205
Flights
#3224 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Sep 2024 97%

Worst Month

Aug 2023 74%

Distance

443 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2024 49 8 0 0 9E
Nov 2024 55 6 0 0 9E
Oct 2024 56 4 0 0 9E
Sep 2024 60 2 0 0 9E
Aug 2024 62 12 2 0 9E
Jul 2024 60 12 3 0 9E
Jun 2024 57 14 0 0 9E
May 2024 45 5 0 1 9E
Apr 2024 30 4 0 1 9E
Mar 2024 31 6 0 0 9E
Jan 2024 31 8 1 0 9E
Dec 2023 31 2 0 0 9E
Nov 2023 30 2 0 0 9E
Oct 2023 31 1 0 0 9E
Sep 2023 59 11 0 0 9E
Aug 2023 62 16 1 0 9E
Jul 2023 53 10 0 0 9E
Jun 2023 30 8 0 0 9E
May 2023 31 0 0 0 9E
Apr 2023 30 3 0 0 9E
Mar 2023 31 3 1 0 9E
Jan 2023 31 3 0 0 9E
Dec 2022 31 7 1 0 9E
Nov 2022 30 5 0 0 9E

DTW–TYS seasonal on-time pattern

Best: April (93.7%) · weakest: June (84.6%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 85.7%

Strongest calendar month

April

93.7% on-time · ~44 flights/mo

Busiest calendar month

February

~71 flights/mo avg

Weakest calendar month

June

84.6% on-time · ~52 flights/mo

Cancellation Rate

0.9%

9 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.

DTW - Detroit

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

DTW on-time profile

TYS - Knoxville

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

TYS on-time profile

Compare the two airports

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

Compare DTW vs TYS

Origin-hub reliability standing

Among DTW's stronger departures

DTW → TYS posts a 88.9% on-time rate, landing in the ≥85% band with 34 of 94 BTS-tracked routes leaving Detroit. The same hub also shows 60 mid-band and 0 challenged departures · fleet-wide on-time rank #265 of 4927 (highest on-time = #1).

What the Data Says About DTW to TYS

Detroit to Knoxville (DTW to TYS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.9% on-time rate across 3,205 flights, with delays that do happen averaging 75.9 minutes. The corridor runs roughly 443 miles and is served by 2 carriers. Over the most recent 24 months, 9 of 1,016 flights were cancelled (0.9%) and 2 diverted (0.2%).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 97% on-time, while Aug 2023 came in at just 74% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, DTW–TYS peaks in April at 93.7% on-time while February carries the heaviest traffic (~71 flights per month) ; the softest month is June at 84.6%, a 9.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DTW to TYS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DTW to TYS ranks #3224 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 DTW to TYS? ▼
Flights from Detroit to Knoxville have a 88.9% on-time rate based on 3,205 flights. The average delay is 75.9 minutes. The best recent month was Sep 2024 with 97% on-time.
What is the cancellation rate for DTW to TYS? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (9 of 1,016 flights) and 0.2% were diverted.
How far is the flight from DTW to TYS? ▼
The flight distance from Detroit (DTW) to Knoxville (TYS) is approximately 443 miles. This route is served by 2 carriers.
When is the best time to fly from DTW to TYS? ▼
The best recent month for on-time performance was Sep 2024 (97% on-time). The worst was Aug 2023 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

DTW Airport

Detroit
TYS Airport

Knoxville
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 DTW–TYS data

DTW–TYS runs 9.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DTW and TYS airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
  • If your dates flex, April (93.7% on-time) beats June (84.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.9% 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.