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Route · DTW → MDT · 2020–2025 BTS data

Detroit to Harrisburg

The DTW–MDT corridor (Detroit, MI → Harrisburg, PA) runs ahead of the national average, served by 6 carriers across roughly 371 miles.

Data updated 2026-06-13

85.7%
On-time
+6.7 pts
vs US avg
82 min
Delay when late
3,649
Flights

Cancelled

0.7%

Best Month

Oct 2025 92%

Worst Month

Jun 2024 67%

Distance

371 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 42 20 2 0 OO
Nov 2025 34 7 1 0 OO
Oct 2025 52 4 0 0 OO
May 2025 56 9 0 1 OO
Apr 2025 45 4 0 0 OO
Mar 2025 31 3 0 0 OO
Jan 2025 34 14 1 0 OO
Dec 2024 57 15 0 0 OO
Nov 2024 56 8 0 0 OO,DL
Oct 2024 57 6 0 0 OO
Sep 2024 51 9 0 1 OO
Aug 2024 54 17 0 0 OO
Jul 2024 54 16 0 0 OO
Jun 2024 52 17 0 0 9E,OO
May 2024 45 7 0 1 9E,OO
Apr 2024 30 3 0 0 9E,OO
Mar 2024 31 3 0 0 9E,OO
Jan 2024 31 8 2 0 9E,OO
Dec 2023 31 3 0 0 OO,9E
Nov 2023 30 8 0 0 9E,OO
Oct 2023 31 0 0 0 9E,OO
Sep 2023 58 12 0 0 9E,OO
Aug 2023 48 6 1 0 OO
Jul 2023 53 5 0 0 9E,OO

Cancellation Rate

0.7%

7 of 1,063 flights

Diversion Rate

0.3%

3 of 1,063 flights

What the Data Says About DTW to MDT

Detroit to Harrisburg (DTW to MDT) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.7% on-time rate across 3,649 flights, with delays that do happen averaging 81.6 minutes. The corridor runs roughly 371 miles and is served by 6 carriers. Over the most recent 24 months, 7 of 1,063 flights were cancelled (0.7%) and 3 diverted (0.3%).

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 92% on-time, while Jun 2024 came in at just 67% - a 25-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from DTW to MDT?
Flights from Detroit to Harrisburg have a 85.7% on-time rate based on 3,649 flights. The average delay is 81.6 minutes. The best recent month was Oct 2025 with 92% on-time.
What is the cancellation rate for DTW to MDT?
Over the last 24 months, 0.7% of flights on this route were cancelled (7 of 1,063 flights) and 0.3% were diverted.
How far is the flight from DTW to MDT?
The flight distance from Detroit (DTW) to Harrisburg (MDT) is approximately 371 miles. This route is served by 6 carriers.
When is the best time to fly from DTW to MDT?
The best recent month for on-time performance was Oct 2025 (92% on-time). The worst was Jun 2024 (67% on-time). Consider booking during months with historically better performance.

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Data source

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

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 Editorial

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.