| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | BOS | SEA | 19:00 | 21:33 |
Landed
|
Track > |
| Aug 17 | BOS | SEA | 18:24 | 21:26 |
Landed
|
Track > |
| Aug 16 | BOS | SEA | 18:12 | 21:21 |
Landed
|
Track > |
| Aug 15 | BOS | SEA | 18:27 | 21:02 |
Landed
|
Track > |
| Aug 14 | BOS | SEA | 18:35 | 21:25 |
Landed
|
Track > |
| Aug 13 | BOS | SEA | 18:09 | 20:58 |
Landed
|
Track > |
| Aug 12 | BOS | SEA | 18:59 | 22:14 |
Delayed
|
Track > |
| Aug 11 | BOS | SEA | 18:44 | 21:41 |
Landed Late
|
Track > |
| Aug 10 | BOS | SEA | 18:13 | 21:19 |
Landed
|
Track > |
| Aug 09 | BOS | SEA | 19:12 | 22:03 |
Landed Late
|
Track > |
Alaska Airlines Flight AS304 connects Boston, United States to Seattle, United States, taking off from Boston Logan International Airport BOS and landing at Seattle Tacoma International Airport SEA.
How long is the AS304 flight from Boston to Seattle?
The average flight time from Boston to Seattle is 5 hours and 54 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 678 km/h / 422 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS304 Boston to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS304 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS304 flight?
The latest flight took off on Wednesday, August 19th, 2026 with the flight status being Landed on 21:33.
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, 40% of all AS304 flights are delayed. The average delay is 26 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.
Flight AS304 is code-shared by 1 airline using the flight number DE5067
Other flights departing from Boston BOS: WN999, WN1257, DL1632, B62421
Other flights arriving at Seattle SEA: AS1589, AS1681, WN3267, QX2421
All flights connecting Boston BOS to Seattle SEA.
