AS579 ORD → SEA

Alaska Airlines · Chicago, IL to Seattle, WA · 21 flights observed, 2026-06-10 to 2026-06-30 · 1,721 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -10 min, while the worst 10% run +88 min or later.

AS579 covers more than one route in the data window — the stats below are for ORD → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-10 min
90th percentile
+88 min
Cancellation rate
0%

How often is AS579 on time?

Across 21 flights on ORD → SEA from 2026-06-10 to 2026-06-30, AS579 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +88 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1781%
16-30 min15%
31-60 min00%
61-120 min314%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062181%+5 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue3100%
Wed367%
Thu367%
Fri3100%
Sat367%
Sun3100%

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