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UAL641

IAD → BOS · Boeing 737 MAX 9 · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
Washington Dulles International Airport (IAD) — Washington, DC, United States
Est. departure time
2026-09-07 12:42 UTC (approx.)
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Distance flown
900 km
Straight-line distance
664 km
Approach distance
129 km

Aircraft

Registration
N77578
Type
Boeing 737 MAX 9
Seats
179 total (20 Business, 159 Economy)

Altitude & speed

Max altitude
31,025 ft
Max ground speed
462 kt
Tracked
2h 53m · 864 km
Altitude (ft, max 31,025)
016,75433,5070m30m1h 0m1h 30m2h 0m2h 30m
Ground speed (kt, max 462)
02494990m30m1h 0m1h 30m2h 0m2h 30m
Altitude (ft, max 31,025)
016,75433,5070m1h 0m2h 0m
Ground speed (kt, max 462)
02494990m1h 0m2h 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
2026-10-02 13:01 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17460 Boeing 737 MAX 9 Completed (landing confirmed by airport data) 819 km
2026-10-01 13:11 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N27519 Boeing 737 MAX 9 Completed 848 km
2026-09-30 12:59 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N47446 Boeing 737 MAX 9 Completed 782 km
2026-09-29 12:56 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37514 Boeing 737 MAX 9 Completed 754 km
2026-09-28 14:57 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17420 Boeing 737 MAX 9 Completed 783 km
2026-09-27 13:04 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37560 Boeing 737 MAX 9 Completed 753 km
2026-09-26 13:00 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17454 Boeing 737 MAX 9 Completed 846 km
2026-09-25 12:53 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N47462 Boeing 737 MAX 9 Completed 743 km
2026-09-24 13:11 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17402 Boeing 737 MAX 9 Completed 811 km
2026-09-23 12:51 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17454 Boeing 737 MAX 9 Completed 791 km
2026-09-22 12:49 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N47462 Boeing 737 MAX 9 Completed 746 km
2026-09-21 12:44 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37536 Boeing 737 MAX 8 Completed 761 km
2026-09-20 12:37 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37536 Boeing 737 MAX 8 Completed 952 km
2026-09-19 12:47 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37472 Boeing 737 MAX 9 Completed 808 km
2026-09-18 12:45 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37522 Boeing 737 MAX 9 Completed 836 km
2026-09-17 12:47 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37545 Boeing 737 MAX 9 Completed 886 km
2026-09-16 12:47 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77592 Boeing 737 MAX 9 Completed 895 km
2026-09-15 12:36 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17465 Boeing 737 MAX 9 Completed 767 km
2026-09-14 12:48 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17596 Boeing 737 MAX 9 Completed 771 km
2026-09-13 12:30 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77598 Boeing 737 MAX 9 Completed 976 km
2026-09-12 12:53 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17564 Boeing 737 MAX 9 Completed 812 km
2026-09-11 13:04 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37415 Boeing 737 MAX 9 Completed 807 km
2026-09-10 12:45 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17448 Boeing 737 MAX 9 Completed 876 km
2026-09-09 12:50 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77579 Boeing 737 MAX 9 Completed 790 km
2026-09-08 12:52 UTC UAL641 IAD → ?
Washington, DC → ?
 N17428 Boeing 737 MAX 9 Incomplete (signal lost) 220 km
2026-09-07 12:46 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77578 Boeing 737 MAX 9 Completed 900 km
2026-09-06 12:29 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17566 Boeing 737 MAX 9 Completed 759 km
2026-09-05 12:37 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17431 Boeing 737 MAX 9 Completed 778 km
2026-09-04 12:38 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17413 Boeing 737 MAX 9 Completed 860 km
2026-09-03 12:30 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17597 Boeing 737 MAX 9 Completed 841 km
2026-09-02 12:40 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N27526 Boeing 737 MAX 9 Completed 798 km
2026-09-01 12:50 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77590 Boeing 737 MAX 9 Completed 883 km
2026-08-31 13:52 UTC UAL641 OWD → OWD
Norwood → Norwood
 N17589 Boeing 737 MAX 9 Completed 90 km
2026-08-31 12:44 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17589 Boeing 737 MAX 9 Completed 813 km
2026-08-30 12:46 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17458 Boeing 737 MAX 9 Completed 814 km
2026-08-29 12:56 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37447 Boeing 737 MAX 9 Completed 778 km
2026-08-28 12:27 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17427 Boeing 737 MAX 9 Completed 836 km
2026-08-27 12:46 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17402 Boeing 737 MAX 9 Completed 908 km
2026-08-26 12:29 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17454 Boeing 737 MAX 9 Completed 784 km
2026-08-25 12:57 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37538 Boeing 737 MAX 9 Completed 771 km
2026-08-24 12:59 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N27419 Boeing 737 MAX 9 Completed 874 km
2026-08-23 12:33 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77592 Boeing 737 MAX 9 Completed 1277 km
2026-08-22 12:55 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17428 Boeing 737 MAX 9 Completed 1041 km
2026-08-21 12:43 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17458 Boeing 737 MAX 9 Completed 1020 km
2026-08-20 12:54 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37547 Boeing 737 MAX 9 Completed 1757 km
2026-08-19 12:27 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N17425 Boeing 737 MAX 9 Completed 2341 km
2026-08-18 12:54 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N77543 Boeing 737 MAX 9 Completed 2001 km
2026-08-17 12:43 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37562 Boeing 737 MAX 9 Completed 1072 km
2026-08-16 12:26 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N27546 Boeing 737 MAX 9 Completed ~1826 km est. (1046 km recorded)
2026-08-14 12:30 UTC UAL641 IAD → BOS
Washington, DC → Boston
 N37549 Boeing 737 MAX 9 Completed ~3938 km est. (1045 km recorded)

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