YX4521 Flight Status Republic Airlines: Rochester to Boston (RPA4521)

Republic Airlines YX 4521

Scheduled

ROC Rochester

Scheduled
05:00
Estimated
05:00

Gate: A10

Departure: Wed, Nov 4, 2026 · local time EST

Rochester International Airport (ROC)

All ROC Departures >

BOS Boston

Scheduled
06:30

Terminal: B | Gate: B5

Arrival: Wed, Nov 4, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Arrivals >

Departure was due 50m ago · awaiting update 0%

ROC 05:00 BOS 06:30

551 km (342 mi) to fly

Route map ROC to BOS Map of the great-circle route from Rochester International Airport, United States to Boston Logan International Airport, United States, 551 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. ROC 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: 551 km / 342 miles · Scheduled Duration: 01:30

YX 4521 Flight Status & Schedule Republic Airlines Rochester to Boston

Date From To Departure Arrival Status Details
Nov 04 ROC BOS 05:00 06:30 Scheduled Track >
Nov 03 ROC BOS 05:00 06:30 Scheduled Track >
Nov 02 ROC BOS 05:00 06:30 Delayed Track >
Nov 01 ROC BOS 05:00 06:30 Scheduled Track >

Republic Airlines flight YX 4521 links Rochester and Boston, 551 km (342 mi) apart, and flies four times a week: Monday, Tuesday, Wednesday and Sunday. The timetable allows 1 h 30 min; there is not enough recent history yet to say how long it usually takes. Today's flight was scheduled to leave at 05:00; there is no departure update yet.

< All Rochester ROC Departures All Boston BOS Arrivals >

About YX 4521

Route
Rochester International Airport ROC to Boston Logan International Airport BOS
Distance
551 km (342 mi)
Scheduled flight time
1 h 30 min
Flies
Mon, Tue, Wed, Sun
Usually departs from
Gate A10

YX 4521 FAQ

How long is the YX4521 flight?
The timetable allows 1 h 30 min. Rochester to Boston is 551 km (342 mi).
Which days does YX4521 fly?
Four times a week: Monday, Tuesday, Wednesday and Sunday, based on the schedule of the last 7 days.
Which terminal does YX4521 use?
It usually leaves from gate A10 at Rochester International Airport (ROC) and arrives at Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does YX4521 have?
Also listed as RPA4521 (Republic Airlines' ICAO code) and YX 4521.

YX4521 and Rochester ROC to Boston BOS Flights

Flight YX4521 is code-shared by 1 airline using the flight number AS4529

Other flights departing from Rochester ROC: UJ356, MQ3827, OH5351, K5430

Other flights arriving at Boston BOS: DL571, AS214, B61302, DL696

All flights connecting Rochester ROC to Boston BOS.