Denver (DEN) to Portland (PWM): On-Time Performance
Data through July 2026
Denver (DEN) to Portland (PWM) is a thinner route than most in this dataset — 214 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 83% arrived on time.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.59
- last 12 months
- Duration
- 3h 54m
- scheduled
- Distance
- 1,782 mi
Monthly on-time trend
Best time to fly from DEN to PWM
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 88% | 5 min |
| Tuesday | 86% | 8 min |
| Wednesday | 86% | 7 min |
| Thursdaybest | 88% | 4 min |
| Friday | 85% | 13 min |
| Saturday | 77% | 11 min |
| Sunday | 71% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations28%
- National airspace system33%
Frequently asked questions
- How often are flights from DEN to PWM delayed?
- 17% of DEN–PWM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- How long is the flight from DEN to PWM?
- The scheduled DEN–PWM flight time averages 3h 54m over 1,782 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are DEN to PWM flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to PWM?
- July 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was October 2025 at 97%. If your dates are flexible, that 25-point gap is worth planning around.
Explore related pages
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Related guides
Based on 408 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.