DTW to PWM flight delays & on-time performance
Nonstop flights from Detroit Metropolitan Wayne County Airport to Portland International Jetport · 668 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DTW or PWM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Detroit (DTW) to Portland (PWM) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (86% on time); SkyWest Airlines was the least (74%).
- Departures scheduled around 3pm did best (86% on time); around 2pm did worst (81%).
- Friday was the most reliable day to fly (87% on time) and Sunday the least (76%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (69%).
Which airline is most on time from DTW to PWM?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 86% | 1.0% | 10 min | 5.5% | 404 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 78% | 1.3% | 14 min | 5.3% | 77 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 74% | 0.0% | 24 min | 12.9% | 132 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am83%316 flights
- 2pm81%273 flights
- 3pm86%22 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%1.1% cancelled
- Tuesday83%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday79%0.0% cancelled
- Friday87%0.0% cancelled
- Saturday86%2.4% cancelled
- Sunday76%2.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)69%
- Air traffic control & airport congestion14%
- Late-arriving aircraft9%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)80%
- Extreme weather20%
- Air traffic control & airport congestion0%
- Security0%
DTW to PWM: common questions
- How often are DTW to PWM flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Detroit to Portland cancelled?
- 0.8% of scheduled flights were cancelled (5 of 613).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 75 min behind schedule on average, and 7.1% of flights were an hour or more late.
- How long is taxi time at DTW?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PWM to DTW — 80% on time
More flights from Detroit
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DTW → PWM, nonstop flights by US airlines that report to the DOT. How we calculate this.