AS501 MCI → SEA

Alaska Airlines · Kansas City, MO to Seattle, WA · 49 flights observed, 2026-05-13 to 2026-06-30 · 1,490 mi

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

On-time arrival
90%
Median delay
-12 min
90th percentile
+17 min
Cancellation rate
0%

How often is AS501 on time?

Across 49 flights on MCI → SEA from 2026-05-13 to 2026-06-30, AS501 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +17 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4490%
16-30 min36%
31-60 min12%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0519100%-16 min
2026-063083%-2 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue786%
Wed786%
Thu7100%
Fri786%
Sat786%
Sun7100%

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