OnTimeRoutes
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Alaska Airlines DEN to PDX on-time performance

Alaska Airlines nonstop flights from Denver to Portland · Aug 2025 – Jul 2026

On-time arrivals
80%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
13 min
57 min when late
Rank on route
#3 of 5
route average 75% on time

Key facts

  • Alaska Airlines flights on DEN to PDX 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 75% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (53%).

On-time trend by month

40%70%100%July 2025: 56.4% on time, 3.5% cancelledJul ’25August 2025: 68.5% on time, 0.0% cancelledAug ’25September 2025: 85.1% on time, 0.0% cancelledSep ’25October 2025: 70.7% on time, 0.0% cancelledOct ’25November 2025: 77.1% on time, 0.0% cancelledNov ’25December 2025: 73.6% on time, 0.0% cancelledDec ’25January 2026: 80.6% on time, 3.1% cancelledJan ’26February 2026: 84.0% on time, 0.0% cancelledFeb ’26March 2026: 93.5% on time, 0.0% cancelledMar ’26April 2026: 94.3% on time, 0.0% cancelledApr ’26May 2026: 86.1% on time, 0.0% cancelledMay ’26June 2026: 75.3% on time, 1.2% cancelledJun ’26July 2026: 83.0% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft53%
  • Airline (crew, maintenance, cleaning, fueling)31%
  • Air traffic control & airport congestion15%
  • Extreme weather2%
  • Security0%

Other airlines on DEN to PDX

Full DEN to PDX comparison →
Alaska Airlines on-time record across all routes →

612 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.