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Route · PDX → DTW · 2020–2025 BTS data

Portland to Detroit

The PDX–DTW corridor (Portland, OR → Detroit, MI) runs ahead of the national average, served by 1 carrier across roughly 1,953 miles.

Data updated 2026-06-13

87.8%
On-time
+8.8 pts
vs US avg
66 min
Delay when late
1,193
Flights

Cancelled

0.9%

Best Month

Aug 2022 90%

Worst Month

Jul 2025 72%

Distance

1,953 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 12 1 0 DL
Oct 2025 48 5 0 0 DL
Sep 2025 42 6 0 0 DL
Aug 2025 50 12 0 0 DL
Jul 2025 57 16 0 0 DL
Jun 2025 50 10 1 0 DL
May 2025 31 4 0 0 DL
Nov 2024 33 1 0 0 DL
Oct 2024 43 2 0 0 DL
Sep 2024 40 2 0 0 DL
Aug 2024 45 5 0 1 DL
Jul 2024 46 8 3 0 DL
Jun 2024 42 9 0 0 DL
Oct 2023 47 2 0 0 DL
Sep 2023 49 2 0 0 DL
Aug 2023 62 7 1 1 DL
Jul 2023 60 12 1 0 DL
Oct 2022 31 3 0 0 DL
Sep 2022 34 2 0 1 DL
Aug 2022 58 6 2 1 DL
Jul 2022 47 4 0 0 DL
May 2022 31 0 0 0 DL
Apr 2022 30 4 0 0 DL
Nov 2020 47 5 0 0 DL

Cancellation Rate

0.9%

9 of 1,054 flights

Diversion Rate

0.4%

4 of 1,054 flights

What the Data Says About PDX to DTW

Portland to Detroit (PDX to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.8% on-time rate across 1,193 flights, with delays that do happen averaging 66.0 minutes. The corridor runs roughly 1,953 miles and is served by 1 carrier. Over the most recent 24 months, 9 of 1,054 flights were cancelled (0.9%) and 4 diverted (0.4%).

The monthly split is wide on this route: Aug 2022 posted the strongest performance at 90% on-time, while Jul 2025 came in at just 72% - a 18-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from PDX to DTW?
Flights from Portland to Detroit have a 87.8% on-time rate based on 1,193 flights. The average delay is 66.0 minutes. The best recent month was Aug 2022 with 90% on-time.
What is the cancellation rate for PDX to DTW?
Over the last 24 months, 0.9% of flights on this route were cancelled (9 of 1,054 flights) and 0.4% were diverted.
How far is the flight from PDX to DTW?
The flight distance from Portland (PDX) to Detroit (DTW) is approximately 1,953 miles. This route is served by 1 carrier.
When is the best time to fly from PDX to DTW?
The best recent month for on-time performance was Aug 2022 (90% on-time). The worst was Jul 2025 (72% 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.