DTW to PDX flight delays & on-time performance
Nonstop flights from Detroit Metropolitan Wayne County Airport to Portland International Airport · 1,953 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DTW or PDX 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 (PDX) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.1% were cancelled, and 8% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (84% on time); around 8pm did worst (58%).
- Wednesday was the most reliable day to fly (74% on time) and Thursday the least (66%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (63%).
Which airline is most on time from DTW to PDX?
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 | 70% | 1.1% | 20 min | 7.5% | 379 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am84%152 flights
- 7pm59%65 flights
- 8pm58%144 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%1.6% cancelled
- Tuesday70%0.0% cancelled
- Wednesday74%0.0% cancelled
- Thursday66%1.7% cancelled
- Friday70%1.6% cancelled
- Saturday74%0.0% cancelled
- Sunday66%1.6% 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)63%
- Air traffic control & airport congestion21%
- Late-arriving aircraft16%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
DTW to PDX: common questions
- How often are DTW to PDX flights on time?
- 70% 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?
- 1.1% of scheduled flights were cancelled (4 of 379).
- 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 62 min behind schedule on average, and 7.5% of flights were an hour or more late.
- How long is taxi time at DTW?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PDX to DTW — 78% 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 → PDX, nonstop flights by US airlines that report to the DOT. How we calculate this.