| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 18 | BUF | BOS | 12:06 | 13:38 |
Delayed
|
Track > |
| Oct 11 | BUF | BOS | 12:06 | 13:38 |
Delayed
|
Track > |
Alaska Airlines Flight AS4373 connects Buffalo, United States to Boston, United States, taking off from Buffalo Niagara International Airport BUF and landing at Boston Logan International Airport BOS.
How many AS4373 flights are operated per week?
1 flight per week. The flight AS4373 is operated on Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4373 Buffalo to Boston?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4373 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS4373 arriving at?
Flight AS4373 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest AS4373 flight?
The latest flight took off on Sunday, October 18th, 2026 with the flight status being Scheduled on 13:38.
How else can the flight AS4373 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4373, AS 4373, ASA 4373.
How often is flight AS4373 delayed?
On average, 0% of all AS4373 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled AS4373 flight or baggage issues?
If your AS4373 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 AS4373 Flight Tracker above for more details.
Other flights departing from Buffalo BUF: YX4782, WN830, OO3848, DL3848
Other flights arriving at Boston BOS: AZ614, DL225, B61554, YX4782
All flights connecting Buffalo BUF to Boston BOS.