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Route · MDT → DTW · 2020–2025 BTS data

Harrisburg to Detroit

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

Data updated 2026-06-13

87.8%
On-time
+8.8 pts
vs US avg
110 min
Delay when late
3,648
Flights

Cancelled

0.7%

Best Month

Oct 2025 94%

Worst Month

Dec 2024 74%

Distance

371 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 41 15 2 0 OO
Nov 2025 35 4 1 0 OO
Oct 2025 51 3 0 0 OO
May 2025 56 4 0 0 OO
Apr 2025 44 3 0 0 OO
Mar 2025 31 2 0 0 OO
Jan 2025 35 12 1 0 OO
Dec 2024 57 15 0 0 OO
Nov 2024 56 8 0 0 OO,DL
Oct 2024 57 4 0 0 OO
Sep 2024 51 6 0 0 OO
Aug 2024 54 12 0 0 OO
Jul 2024 54 10 0 0 OO
Jun 2024 52 12 0 0 9E,OO
May 2024 44 8 0 1 9E,OO
Apr 2024 30 2 0 0 9E,OO
Mar 2024 31 1 0 0 9E,OO
Jan 2024 31 7 2 0 9E,OO
Dec 2023 31 3 0 0 OO,9E
Nov 2023 30 3 0 0 9E,OO
Oct 2023 31 1 0 0 9E,OO
Sep 2023 58 11 0 0 9E,OO
Aug 2023 48 8 1 0 OO
Jul 2023 53 8 0 0 9E,OO

Cancellation Rate

0.7%

7 of 1,061 flights

Diversion Rate

0.1%

1 of 1,061 flights

What the Data Says About MDT to DTW

Harrisburg to Detroit (MDT to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.8% on-time rate across 3,648 flights, with delays that do happen averaging 109.6 minutes. The corridor runs roughly 371 miles and is served by 6 carriers. Over the most recent 24 months, 7 of 1,061 flights were cancelled (0.7%) and 1 diverted (0.1%).

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 94% on-time, while Dec 2024 came in at just 74% - a 20-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from MDT to DTW?
Flights from Harrisburg to Detroit have a 87.8% on-time rate based on 3,648 flights. The average delay is 109.6 minutes. The best recent month was Oct 2025 with 94% on-time.
What is the cancellation rate for MDT to DTW?
Over the last 24 months, 0.7% of flights on this route were cancelled (7 of 1,061 flights) and 0.1% were diverted.
How far is the flight from MDT to DTW?
The flight distance from Harrisburg (MDT) to Detroit (DTW) is approximately 371 miles. This route is served by 6 carriers.
When is the best time to fly from MDT to DTW?
The best recent month for on-time performance was Oct 2025 (94% on-time). The worst was Dec 2024 (74% 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.