PWM to DTW flight delays & on-time performance
Nonstop flights from Portland International Jetport to Detroit Metropolitan Wayne County Airport · 668 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or DTW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to Detroit (DTW) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 9% arrived an hour or more late.
- Republic Airways was the most punctual airline here (83% on time); SkyWest Airlines was the least (71%).
- Departures scheduled around 6pm did best (82% on time); around 5pm did worst (79%).
- Wednesday was the most reliable day to fly (85% on time) and Sunday the least (76%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (50%).
Which airline is most on time from PWM to DTW?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 83% | 1.3% | 14 min | 7.9% | 77 |
| Delta Air Lines | 82% | 1.2% | 19 min | 7.8% | 404 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 71% | 0.0% | 28 min | 14.4% | 132 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm79%310 flights
- 4pm80%230 flights
- 5pm79%43 flights
- 6pm82%22 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%1.1% cancelled
- Tuesday81%0.0% cancelled
- Wednesday85%1.1% cancelled
- Thursday79%0.0% cancelled
- Friday83%0.0% cancelled
- Saturday78%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)50%
- Late-arriving aircraft29%
- Extreme weather13%
- Air traffic control & airport congestion8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)83%
- Extreme weather17%
- Air traffic control & airport congestion0%
- Security0%
PWM to DTW: common questions
- How often are PWM to DTW flights on time?
- 80% 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 Portland to Detroit cancelled?
- 1.0% of scheduled flights were cancelled (6 of 613).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 98 min behind schedule on average, and 9.2% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DTW to PWM — 83% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → DTW, nonstop flights by US airlines that report to the DOT. How we calculate this.