YX4439 Flight Status Republic Airlines: Boston to Buffalo (RPA4439)

YX 4439 Boston to Buffalo Flight Status

Not scheduled today. Latest flight: October 30th, 2026 ; recent history is in the table below.

YX 4439 Flight Status & Schedule Republic Airlines Boston to Buffalo

Date From To Departure Arrival Status Details
Oct 30 BOS BUF 19:50 21:35 Scheduled Track >
Oct 29 BOS BUF 19:50 21:35 Delayed Track >
Oct 28 BOS BUF 19:50 21:35 Scheduled Track >
Oct 27 BOS BUF 19:50 21:35 Scheduled Track >
Oct 26 BOS BUF 19:50 21:35 Delayed Track >
Oct 25 BOS BUF 19:50 21:35 Scheduled Track >
Oct 23 BOS BUF 19:50 21:35 Scheduled Track >
Oct 22 BOS BUF 19:50 21:35 Delayed Track >
Oct 21 BOS BUF 19:50 21:35 Scheduled Track >
Oct 20 BOS BUF 19:50 21:35 Scheduled Track >

Republic Airlines' Boston–Buffalo flight covers 635 km (394 mi). The timetable allows 1 h 45 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 30 October 2026.

< All Boston BOS Departures All Buffalo BUF Arrivals >

About YX 4439

Republic Airlines Flight YX4439 connects Boston, United States to Buffalo, United States, taking off from Boston Logan International Airport BOS and landing at Buffalo Niagara International Airport BUF.

Route
Boston Logan International Airport BOS to Buffalo Niagara International Airport BUF
Distance
635 km (394 mi)
Scheduled flight time
1 h 45 min
Usually departs from
Terminal B

YX 4439 FAQ

How long is the YX4439 flight from Boston to Buffalo?
The timetable allows 1 h 45 min. Boston to Buffalo is 635 km (394 mi).
Which terminal does YX4439 use?
It usually leaves from Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does YX4439 have?
Also listed as RPA4439 (Republic Airlines' ICAO code) and YX 4439.

YX4439 and Boston BOS to Buffalo BUF Flights

Flight YX4439 is code-shared by 2 airlines using the flight numbers AS4285, QR8570

Other flights departing from Boston BOS: PD2946, WN794

Other flights arriving at Buffalo BUF: B6715, WN2731, WN2846, AA703

All flights connecting Boston BOS to Buffalo BUF.