AS4500 Flight Status Alaska Airlines: Buffalo to Boston (ASA4500)

Alaska Airlines AS 4500

Delayed 18'

BUF Buffalo

Scheduled
12:10
Estimated
12:28

Gate: 6

Departure: Sun, Nov 8, 2026 · local time EST

Buffalo Niagara International Airport (BUF)

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BOS Boston

Scheduled
13:43

Terminal: B | Gate: B9

Arrival: Sun, Nov 8, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Arrivals >

Departure was due 21h 42m ago · awaiting update 0%

BUF 12:28 BOS 13:43

635 km (394 mi) to fly

Route map BUF to BOS Map of the great-circle route from Buffalo Niagara International Airport, United States to Boston Logan International Airport, United States, 635 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. BUF BOS Map data: Natural Earth

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 635 km / 394 miles · Scheduled Duration: 01:33

AS 4500 Flight Status & Schedule Alaska Airlines Buffalo to Boston

Date From To Departure Arrival Status Details
Nov 08 BUF BOS 12:10 13:43 Delayed Track >
Nov 07 BUF BOS 10:20 11:54 Scheduled Track >

Alaska Airlines operates AS 4500 from Buffalo to Boston, a 635 km (394 mi) trip, twice a week (Saturday and Sunday). The timetable allows 1 h 34 min; there is not enough recent history yet to say how long it usually takes. Yesterday's flight is scheduled for 12:10 but expected to leave 18 minutes late, at 12:28.

< All Buffalo BUF Departures All Boston BOS Arrivals >

About AS 4500

Route
Buffalo Niagara International Airport BUF to Boston Logan International Airport BOS
Distance
635 km (394 mi)
Scheduled flight time
1 h 34 min
Flies
Sat, Sun

AS 4500 FAQ

How long is the AS4500 flight?
The timetable allows 1 h 34 min. Buffalo to Boston is 635 km (394 mi).
Which days does AS4500 fly?
Twice a week: Saturday and Sunday, based on the schedule of the last 7 days.
What other flight numbers does AS4500 have?
Also listed as ASA4500 (Alaska Airlines' ICAO code) and AS 4500.

AS4500 and Buffalo BUF to Boston BOS Flights

Flight AS4500 is a code-share Alaska Airlines flight of the Republic Airlines operated YX4425.

Other flights departing from Buffalo BUF: B61901, YX4425, DL1384

Other flights arriving at Boston BOS: UA558, DL862, YX4425

All flights connecting Buffalo BUF to Boston BOS.