Route
DTW → PWM
Detroit Metropolitan Wayne County Airport Portland International Jetport
668 miles
Return route PWM → DTW →
How punctual is this route?
- On-time arrivals
- 83.7%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 614
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 68%
- Air traffic control & airport 15%
- Extreme weather 9%
- Late-arriving aircraft 8%
- 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 | 85.0% | 60 |
| October 2025 | 91.8% | 61 |
| November 2025 | 82.9% | 36 |
| December 2025 | 65.0% | 40 |
| January 2026 | 54.5% | 33 |
| February 2026 | 76.9% | 27 |
| March 2026 | 75.9% | 54 |
| April 2026 | 91.4% | 58 |
| May 2026 | 93.3% | 61 |
| June 2026 | 84.7% | 60 |
| July 2026 | 88.1% | 62 |
| August 2026 | 90.3% | 62 |
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 | 405 | 88.0% | 1.0% | 68 min |
| SkyWest Airlines | 132 | 74.2% | 0.0% | 94 min |
| Republic Airways | 77 | 77.6% | 1.3% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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