Alaska Airlines PDX to DEN on-time performance
Alaska Airlines nonstop flights from Portland to Denver · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
12 min
53 min when late
Rank on route
#3 of 5
route average 83% on time
Key facts
- Alaska Airlines flights on PDX to DEN arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (51%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion51%
- Airline (crew, maintenance, cleaning, fueling)30%
- Late-arriving aircraft20%
- Extreme weather0%
- Security0%
Other airlines on PDX to DEN
- United Airlines91% on time · 7 min avg delay
- Southwest Airlines74% on time · 14 min avg delay
- Frontier Airlines80% on time · 13 min avg delay
- SkyWest Airlines69% on time · 15 min avg delay
Full PDX to DEN comparison →
Alaska Airlines on-time record across all routes →
613 Alaska Airlines flights tracked on this route; 2 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.