Route
PDX → DTW
Portland International Airport Detroit Metropolitan Wayne County Airport
1,953 miles
Return route DTW → PDX →
How punctual is this route?
- On-time arrivals
- 79.6%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 109 min
- Flights arriving 15+ minutes late
- Flights tracked
- 377
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Late-arriving aircraft 42%
- Air traffic control & airport 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.7% | 42 |
| October 2025 | 89.6% | 48 |
| November 2025 | 79.3% | 29 |
| December 2025 | 60.0% | 31 |
| January 2026 | 75.0% | 4 |
| March 2026 | 73.9% | 24 |
| April 2026 | 93.3% | 30 |
| May 2026 | 66.7% | 31 |
| June 2026 | 79.5% | 44 |
| July 2026 | 73.3% | 46 |
| August 2026 | 85.4% | 48 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 377 | 79.6% | 1.1% | 109 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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