YX4743 Flight Status Republic Airlines: Boston to Buffalo (RPA4743)

Republic Airlines YX 4743

Scheduled

BOS Boston

Scheduled
19:50
Estimated
19:50

Terminal: B | Gate: B15

Departure: Tue, Nov 3, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Departures >

BUF Buffalo

Scheduled
21:35

Gate: 1

Arrival: Tue, Nov 3, 2026 · local time EST

Buffalo Niagara International Airport (BUF)

All BUF Arrivals >

Departure was due 4h 27m ago · awaiting update 0%

BOS 19:50 BUF 21:35

635 km (394 mi) to fly

Route map BOS to BUF Map of the great-circle route from Boston Logan International Airport, United States to Buffalo Niagara International Airport, United States, 635 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. BOS BUF 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: 01:45

YX 4743 Flight Status & Schedule Republic Airlines Boston to Buffalo

Date From To Departure Arrival Status Details
Nov 03 BOS BUF 19:50 21:35 Scheduled Track >
Nov 02 BOS BUF 19:50 21:35 Scheduled Track >
Nov 01 BOS BUF 20:02 21:06 Landed Track >

Republic Airlines' Boston–Buffalo flight covers 635 km (394 mi) and runs three times a week: Monday, Tuesday and Sunday. The timetable allows 1 h 45 min; there is not enough recent history yet to say how long it usually takes. Yesterday's flight was scheduled to leave at 19:50; there is no departure update yet.

< All Boston BOS Departures All Buffalo BUF Arrivals >

About YX 4743

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

YX 4743 FAQ

How long is the YX4743 flight?
The timetable allows 1 h 45 min. Boston to Buffalo is 635 km (394 mi).
Which days does YX4743 fly?
Three times a week: Monday, Tuesday and Sunday, based on the schedule of the last 7 days.
Which terminal does YX4743 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 YX4743 have?
Also listed as RPA4743 (Republic Airlines' ICAO code) and YX 4743.

YX4743 and Boston BOS to Buffalo BUF Flights

Flight YX4743 is code-shared by 2 airlines using the flight numbers AS6038, IB8649

Other flights departing from Boston BOS: FI630, PD2946

Other flights arriving at Buffalo BUF: WN988, AA2429, WN2042, AA1073

All flights connecting Boston BOS to Buffalo BUF.