| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | BOS | SEA | 15:43 | 18:16 |
Landed
|
Track > |
| Sep 06 | BOS | SEA | 15:43 | 18:33 |
Landed
|
Track > |
| Sep 04 | BOS | SEA | 16:12 | 18:56 |
Landed
|
Track > |
| Sep 03 | BOS | SEA | 16:15 | 19:08 |
Landed Late
|
Track > |
| Aug 31 | BOS | SEA | 15:42 | 18:23 |
Landed
|
Track > |
| Aug 30 | BOS | SEA | 16:29 | 19:25 |
Landed Late
|
Track > |
| Aug 28 | BOS | SEA | 15:34 | 18:12 |
Landed
|
Track > |
| Aug 27 | BOS | SEA | 16:13 | 18:55 |
Landed
|
Track > |
| Aug 24 | BOS | SEA | 15:50 | 18:35 |
Landed
|
Track > |
| Aug 23 | BOS | SEA | 15:53 | 18:33 |
Landed
|
Track > |
Alaska Airlines Flight AS477 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 AS477 flight from Boston to Seattle?
The average flight time from Boston to Seattle is 5 hours and 44 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 698 km/h / 434 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS477 Boston to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS477 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS477 flight?
The latest flight took off on Tuesday, September 8th, 2026 with the flight status being Landed on 18:16.
How else can the flight AS477 be referenced as?
This Alaska Airlines flight can also be referenced as ASA477, AS0477, AS 477, ASA 477.
How often is flight AS477 delayed?
On average, 40% of all AS477 flights are delayed. The average delay is 21 minutes.
Can I get compensation for my delayed or cancelled AS477 flight or baggage issues?
If your AS477 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 AS477 Flight Tracker above for more details.
Other flights departing from Boston BOS: UA411, B62467, B6233, B6933
Other flights arriving at Seattle SEA: WN3106, OO4165, WN3743, AS2444
All flights connecting Boston BOS to Seattle SEA.