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UA721

BOS → IAD · Boeing 737-900 · United Airlines

For travellers

Departure · Boston (BOS)

Terminal B · Gate B24
Scheduled 01 Oct 14:15 · Departed 01 Oct 14:15
Board status: Departed
Airborne since 01 Oct 14:46 (ADS-B)

Arrival · Washington, DC (IAD)

Gate D6 · Baggage belt 2
Scheduled 01 Oct 15:56 · Landed 01 Oct 16:04 · +8 min
Board status: InGate
Landed 01 Oct 16:04 (ADS-B)

Board data from bos, mwaa, updated 714 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Scheduled departure
2026-10-01 18:15 UTC
Departed
2026-10-01 18:46 UTC
Arrival
Washington Dulles International Airport (IAD) — Washington, DC, United States
Scheduled arrival
2026-10-01 19:56 UTC
Estimated arrival
2026-10-01 20:03 UTC
Codeshares
AV2038, LH7451, OS7888, SN8899
Distance flown
777 km
Straight-line distance
664 km
Approach distance
99 km

Aircraft

Registration
N75426
Type
Boeing 737-900
Seats
179 total (117 Economy, 42 Economy Plus, 20 First)
CO2 (EMEP est., total)
17.2 t (131 kg/pax Business, 91 kg/pax Economy)

Altitude & speed

Max altitude
30,025 ft
Max ground speed
465 kt
Tracked
1h 17m · 774 km
Altitude (ft, max 30,025)
016,21432,4270m30m1h 0m
Ground speed (kt, max 465)
02515020m30m1h 0m
Altitude (ft, max 30,025)
016,21432,4270m1h 0m
Ground speed (kt, max 465)
02515020m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 18:46 UTC UAL721 BOS → IAD
Boston → Washington, DC
 N75426 Boeing 737-900 Completed 777 km
2026-09-30 19:48 UTC UAL721 BOS → IAD
Boston → Washington, DC
 N38446 Boeing 737-900 Completed 766 km

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