| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 02 | SEA | BOS | 08:05 | 15:30 |
Landed
|
Track > |
| Oct 01 | SEA | BOS | 09:25 | 16:54 |
Landed Late
|
Track > |
| Sep 30 | SEA | BOS | 08:06 | 15:47 |
Landed
|
Track > |
| Sep 29 | SEA | BOS | 10:01 | 17:45 |
Delayed
|
Track > |
| Sep 28 | SEA | BOS | 12:43 | 20:36 |
Delayed
|
Track > |
| Sep 27 | SEA | BOS | 12:02 | 19:55 |
Delayed
|
Track > |
| Sep 26 | SEA | BOS | 07:57 | 16:00 |
Landed
|
Track > |
| Sep 25 | SEA | BOS | 07:52 | 16:05 |
Landed
|
Track > |
| Sep 24 | SEA | BOS | 09:31 | 17:19 |
Delayed
|
Track > |
| Sep 23 | SEA | BOS | 08:54 | 17:02 |
Landed Late
|
Track > |
Alaska Airlines Flight AS357 connects Seattle, United States to Boston, United States, taking off from Seattle Tacoma International Airport SEA and landing at Boston Logan International Airport BOS.
How long is the AS357 flight from Seattle to Boston?
The average flight time from Seattle to Boston is 4 hours and 49 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 832 km/h / 517 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS357 Seattle to Boston?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS357 is 3.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS357 arriving at?
Flight AS357 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest AS357 flight?
The latest flight took off on Friday, October 2nd, 2026 with the flight status being Landed on 15:30.
How else can the flight AS357 be referenced as?
This Alaska Airlines flight can also be referenced as ASA357, AS0357, AS 357, ASA 357.
How often is flight AS357 delayed?
On average, 60% of all AS357 flights are delayed. The average delay is 111 minutes.
Can I get compensation for my delayed or cancelled AS357 flight or baggage issues?
If your AS357 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 AS357 Flight Tracker above for more details.
Flight AS357 is code-shared by 1 airline using the flight number QR2954
Other flights departing from Seattle SEA: WN3763, EM8699, EM8511, EM8511
Other flights arriving at Boston BOS: UA2401, B61354, 9K1034, 9K5261
All flights connecting Seattle SEA to Boston BOS.