AS138 DTW → SEA

Alaska Airlines · Detroit, MI to Seattle, WA · 28 flights observed, 2025-11-22 to 2026-01-06 · 1,927 mi

This flight has been on time less than half the time (46%) — expect a real chance of a delay.

AS138 covers more than one route in the data window — the stats below are for DTW → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
46%
Median delay
+28 min
90th percentile
+92 min
Cancellation rate
0%

How often is AS138 on time?

Across 28 flights on DTW → SEA from 2025-11-22 to 2026-01-06, AS138 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +92 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1346%
16-30 min27%
31-60 min829%
61-120 min311%
2+ hrs27%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11863%+40 min
2025-121429%+53 min
2026-01667%+15 min

Performance by day of week

DayFlightsOn-time
Mon520%
Tue450%
Wed333%
Thu20%
Fri450%
Sat580%
Sun560%

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