PWM to DEN flight delays & on-time performance
Nonstop flights from Portland International Jetport to Denver International Airport · 1,782 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or DEN 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 Denver (DEN) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 10% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Tuesday was the most reliable day to fly (80% on time) and Monday the least (60%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from PWM to DEN?
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 |
|---|---|---|---|---|---|
| United Airlines | 71% | 0.0% | 23 min | 9.9% | 214 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday60%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday73%0.0% cancelled
- Thursday62%0.0% cancelled
- Friday78%0.0% cancelled
- Saturday66%0.0% cancelled
- Sunday79%0.0% 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)46%
- Late-arriving aircraft27%
- Air traffic control & airport congestion26%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
PWM to DEN: common questions
- How often are PWM to DEN flights on time?
- 71% 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 Denver cancelled?
- 0.0% of scheduled flights were cancelled (0 of 214).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 9.9% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN 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 → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.