| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | BOS | SEA | 18:26 | 21:26 |
Landed
|
Track > |
| Jul 18 | BOS | SEA | 18:25 | 21:13 |
Landed
|
Track > |
| Jul 17 | BOS | SEA | 18:53 | 21:29 |
Landed
|
Track > |
| Jul 16 | BOS | SEA | 19:16 | 22:06 |
Landed Late
|
Track > |
| Jul 15 | BOS | SEA | 18:44 | 21:29 |
Landed
|
Track > |
| Jul 14 | BOS | SEA | 18:26 | 20:58 |
Landed
|
Track > |
| Jul 13 | BOS | SEA | 19:00 | 21:23 |
Landed
|
Track > |
| Jul 12 | BOS | SEA | 18:16 | 21:03 |
Landed
|
Track > |
| Jul 11 | BOS | SEA | 20:15 | 22:58 |
Delayed
|
Track > |
| Jul 10 | BOS | SEA | 18:27 | 21:02 |
Landed
|
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 41 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 704 km/h / 437 mph.
How many AS304 flights are operated per week?
6 flights per week. The flight AS304 is operated on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
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 Monday, July 20th, 2026 with the flight status being Landed on 21:26.
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 34 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 2 airlines using the flight numbers DE5067, QR2025
Other flights departing from Boston BOS: DL1098, DL2464, AA4390, DL5831
Other flights arriving at Seattle SEA: HA822, HA930, WN760, AS3044
All flights connecting Boston BOS to Seattle SEA.
