AS501 DEN → PDX

Alaska Airlines · Denver, CO to Portland, OR · 20 flights observed, 2025-12-18 to 2026-01-06 · 991 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +83 min or later.

AS501 covers more than one route in the data window — the stats below are for DEN → PDX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-4 min
90th percentile
+83 min
Cancellation rate
0%

How often is AS501 on time?

Across 20 flights on DEN → PDX from 2025-12-18 to 2026-01-06, AS501 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +83 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1575%
16-30 min15%
31-60 min15%
61-120 min210%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121471%+13 min
2026-01683%+21 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue3100%
Wed2100%
Thu367%
Fri3100%
Sat367%
Sun367%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…