AS139 SEA → DTW

Alaska Airlines · Seattle, WA to Detroit, MI · 24 flights observed, 2025-11-21 to 2026-01-05 · 1,927 mi

AS139 covers more than one route in the data window — the stats below are for SEA → DTW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
62%
Median delay
-5 min
90th percentile
+78 min
Cancellation rate
0%

How often is AS139 on time?

Across 24 flights on SEA → DTW from 2025-11-21 to 2026-01-05, AS139 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +78 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1362%
16-30 min210%
31-60 min314%
61-120 min210%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11650%+96 min
2025-121164%+8 min
2026-01475%-4 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue3100%
Wed10%
Thu10%
Fri580%
Sat450%
Sun450%

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