Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

AS139 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS139, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW).
This flight data pertains specifically to the flight's details for Tuesday, January 06, 2026.

AS139 On Time performance:
44
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

AS139 Alaska Airlines to Detroit

Airline information

Alaska Airlines
Alaska Airlines

Departure

Seattle (SEA)
January 04, 2026
Seattle-Tacoma International Airport

Arrival

Detroit (DTW)
January 05, 2026
Detroit Metropolitan Wayne County Airport
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AA7622 - American Airlines

- HA6628 - Hawaiian Airlines

- JL6385 - JAL

- TN2502 - Air Tahiti Nui

Additional Information

Which is the frequency of flight AS139?
The flight AS139 is scheduled to flight on Monday, Tuesday, Thursday, Friday, Saturday, Sunday on a weekly basis.

Which is the distance of flight AS139?
The distance between the two airports is 1922 miles.

Which is the flight time of flight AS139?
The scheduled flight time gate to gate is: 04:19 hours.
The real flight time gate to gate on average is: 03:07 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-01-06 14:56:04
Current Time in Detroit: 2026-01-06 17:56:04

Alternative Flights

The following airlines serves the same route between Seattle and Detroit:

Alaska Airlines
- Flight Number: AS313. (On Time performance: 83 - Average Delay: 10 minutes)

Delta Air Lines
- Flight Number: DL1706. (On Time performance: 82 - Average Delay: 11 minutes)
- Flight Number: DL533. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: DL810. (On Time performance: 92 - Average Delay: 7 minutes)
- Flight Number: DL812. (On Time performance: 95 - Average Delay: 6 minutes)
- Flight Number: DL842. (On Time performance: 78 - Average Delay: 10 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from November 21, 2025 to December 28, 2025, we have obtained these figures.
Total number of flights: 18
On Time: 8 ( 44 % )
Moderate Delay: 1 ( 6 % )
Significant Delay: 3 ( 17 % )
Major Delay: 3 ( 17 % )
Canceled: 0 ( 0 % )
Diverted: 3 ( 17 % )

Average Delay: -9 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 21, 2025 to December 28, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from November 21, 2025 to November 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights AS139

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
06 January
10:28 pm
Seattle (SEA)
05:41 am
Detroit (DTW)
04h 13min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
05 January
10:22 pm
Seattle (SEA)
05:15 am
Detroit (DTW)
03h 53min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
04 January
10:19 pm
Seattle (SEA)
05:11 am
Detroit (DTW)
03h 52min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
03 January
09:54 pm
Seattle (SEA)
04:58 am
Detroit (DTW)
04h 04min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
31 December
09:54 pm
Seattle (SEA)
04:56 am
Detroit (DTW)
04h 02min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
30 December
10:14 pm
Seattle (SEA)
05:11 am
Detroit (DTW)
03h 57min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
29 December
10:26 pm
Seattle (SEA)
05:55 am
Detroit (DTW)
04h 29min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Sunday
28 December
11:35 pm
Seattle (SEA)
06:38 am
Detroit (DTW)
04h 03min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Saturday
27 December
10:22 pm
Seattle (SEA)
05:12 am
Detroit (DTW)
03h 50min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
24 December
10:11 pm
Seattle (SEA)
05:01 am
Detroit (DTW)
03h 50min
Boeing 737-900
Boeing 737-900
Landed - On-time