AS 304 Seattle to Detroit Flight Status

Alaska Airlines Flight AS304 from Seattle Tacoma International Airport SEA to Detroit Metropolitan Wayne County Airport DTW is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 11th, 2025.
Check the table below for AS304's most recent flight history:

AS 304 Flight Status & Schedule

Date Departure Arrival Status
Jun 11 08:55 15:28
Landed
Track >
Jun 10 08:45 15:30
Landed
Track >
Jun 09 09:01 15:42
Landed
Track >
Jun 08 08:50 15:31
Landed
Track >
Jun 07 08:46 15:30
Landed
Track >

Alaska Airlines AS 304 Seattle to Detroit Flight Information

Alaska Airlines Flight AS304 connects Seattle, United States to Detroit, United States, taking off from Seattle Tacoma International Airport SEA and landing at Detroit Metropolitan Wayne County Airport DTW.

How long is the AS304 flight from Seattle to Detroit?

The average flight time from Seattle to Detroit is 3 hours and 42 minutes. The flight distance is 3093 km / 1922 miles and the average flight speed is 833 km/h / 518 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS304 Seattle to Detroit?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS304 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS304 arriving at?

Flight AS304 arrives at Detroit Metropolitan Wayne County Airport (DTW) Terminal N.

When was the latest AS304 flight?

The latest flight took off on Wednesday, June 11th, 2025 with the flight status being Landed on 15:28.

How else can the flight AS304 be referenced as?

This Alaska Airlines flight can also be referenced as ASA304, AS0304, AS 304, ASA 304.

How often is flight AS304 delayed?

On average, 20% of all AS304 flights are delayed. The average delay is 13 minutes.

Can I get compensation for my delayed or cancelled AS304 flight or baggage issues?

If your AS304 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AS304 Flight Tracker above for more details.

AS304 and Seattle SEA to Detroit DTW Flights

This is a multi leg flight of Alaska Airlines AS304. Next leg is Detroit to Seattle

Flight AS304 is code-shared by 3 airlines using the flight numbers AA7531, TN2357, HA6661

Other flights departing from Seattle SEA: AS425, AS2139, AS2182, AS209

Other flights arriving at Detroit DTW: F92639, UA1449, DL4079, UA2310

All flights connecting Seattle SEA to Detroit DTW.

AS304 Alaska Airlines Flight: Seattle to Detroit Route Map

AS304 Alaska Airlines Flight Map: Seattle to Detroit
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.