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Route · DTW → CHS · 2020–2025 BTS data

Detroit to Charleston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to CHS (Detroit to Charleston) ranks #3585 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.7%
On-time
+3.7 pts
vs US avg
78 min
Delay when late
2,394
Flights
#3585 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Nov 2024 94%

Worst Month

Jul 2025 70%

Distance

667 mi

Carriers

18

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 38 8 1 0 DL,YX
Nov 2025 32 2 0 0 OO,DL
Oct 2025 65 9 0 0 DL,OO
Sep 2025 90 16 0 0 OO,DL
Aug 2025 111 21 0 0 OO,NK,DL
Jul 2025 104 31 1 0 DL,OO,YX,NK
Jun 2025 95 25 0 0 DL,NK,OO
May 2025 61 9 0 0 DL,OO,NK
Apr 2025 39 4 0 0 OO
Mar 2025 31 6 0 0 OO
Jan 2025 35 13 3 0 OO
Dec 2024 59 12 0 0 9E,OO
Nov 2024 64 4 0 0 9E,OO
Oct 2024 87 6 0 0 OO,9E
Sep 2024 89 19 0 0 OO,DL
Aug 2024 97 22 4 0 DL,NK,9E,OO
Jul 2024 102 26 8 0 9E,DL,NK,OO
Jun 2024 72 12 0 1 9E,DL,NK,OO
May 2024 31 4 0 0 DL
Dec 2023 47 5 0 0 DL,9E
Nov 2023 37 4 0 0 9E,DL,OO
Oct 2023 31 4 0 0 9E,DL
Sep 2023 55 5 0 0 9E,DL
Aug 2023 52 5 3 0 9E,DL,OO

DTW–CHS seasonal on-time pattern

Best: November (93.3%) · weakest: January (62.9%)

60%70%80%90%100% JanMarAprMayJunJulAugSepOctNovDec 83.4%

Strongest calendar month

November

93.3% on-time · ~41 flights/mo

Busiest calendar month

July

~77 flights/mo avg

Weakest calendar month

January

62.9% on-time · ~35 flights/mo

Cancellation Rate

1.3%

20 of 1,524 flights

Diversion Rate

0.1%

1 of 1,524 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

CHS - Charleston

Full on-time, delay-cause, and seasonal performance for Charleston, SC.

CHS on-time profile

Compare the two airports

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

Compare DTW vs CHS

Origin-hub reliability standing

Mid-pack among DTW departures

From DTW, this corridor sits with 60 other 75–85% on-time routes out of 94 tracked departures, not the hub's reliability leaders (34 at ≥85%) and not the softest ( 0 below 75%). Destination: Charleston · fleet on-time rank #2061 of 4927.

What the Data Says About DTW to CHS

Bureau of Transportation Statistics records show Detroit to Charleston (DTW to CHS) running a 82.7% on-time rate over 2,394 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.4 minutes. The 667-mile corridor is served by 18 carriers, and over the last 24 months 1.3% of 1,524 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 94% on-time, while Jul 2025 came in at just 70% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, DTW–CHS peaks in November at 93.3% on-time while July carries the heaviest traffic (~77 flights per month) ; the softest month is January at 62.9%, a 30.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DTW to CHS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DTW to CHS ranks #3585 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 CHS? ▼
Flights from Detroit to Charleston have a 82.7% on-time rate based on 2,394 flights. The average delay is 78.4 minutes. The best recent month was Nov 2024 with 94% on-time.
What is the cancellation rate for DTW to CHS? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (20 of 1,524 flights) and 0.1% were diverted.
How far is the flight from DTW to CHS? ▼
The flight distance from Detroit (DTW) to Charleston (CHS) is approximately 667 miles. This route is served by 18 carriers.
When is the best time to fly from DTW to CHS? ▼
The best recent month for on-time performance was Nov 2024 (94% on-time). The worst was Jul 2025 (70% on-time). Consider booking during months with historically better performance.

Airports on this route

DTW Airport

Detroit
CHS Airport

Charleston
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–CHS data

DTW–CHS runs 3.7 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 CHS airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
  • If your dates flex, November (93.3% on-time) beats January (62.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.7% 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.