YAFT.LIVE

UAL1734

IAD → LAX · Boeing 737-300 · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Washington Dulles International Airport (IAD) — Washington, DC, United States
Departed
2026-09-26 12:38 UTC
Arrival
Los Angeles International Airport (LAX) — Los Angeles, United States
Distance flown
3716 km
Straight-line distance
3674 km
Approach distance
68 km

Aircraft

Registration
N57855
Type
Boeing 737-300
Seats
213 total (24 Business, 189 Economy)

Altitude & speed

Max altitude
36,025 ft
Max ground speed
479 kt
Tracked
5h 14m · 3,702 km
Altitude (ft, max 36,025)
019,45438,9070m1h 0m2h 0m3h 0m4h 0m5h 0m
Ground speed (kt, max 479)
02595170m1h 0m2h 0m3h 0m4h 0m5h 0m
Altitude (ft, max 36,025)
019,45438,9070m2h 0m4h 0m
Ground speed (kt, max 479)
02595170m2h 0m4h 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 09:48 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17411 Boeing 737 MAX 9 Completed 764 km
2026-10-01 12:43 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N77865 Boeing 737-300 Completed 3898 km
2026-10-01 09:52 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N37474 Boeing 737-900 Completed 769 km
2026-09-30 12:42 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N78866 Boeing 737-300 Completed 3725 km
2026-09-30 09:58 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N47293 Boeing 737 MAX 8 Completed 753 km
2026-09-29 12:45 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N74856 Boeing 737-300 Completed 3715 km
2026-09-28 12:46 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57855 Boeing 737-300 Completed 3711 km
2026-09-28 09:56 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N27526 Boeing 737 MAX 9 Completed 831 km
2026-09-27 12:38 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N75851 Boeing 737-300 Completed 3712 km
2026-09-27 09:58 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N27503 Boeing 737 MAX 9 Completed 786 km
2026-09-26 12:38 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57855 Boeing 737-300 Completed 3716 km
2026-09-26 09:48 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17456 Boeing 737 MAX 9 Completed 829 km
2026-09-25 12:42 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57870 Boeing 737-300 Completed 3765 km
2026-09-25 09:59 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17402 Boeing 737 MAX 9 Completed 824 km
2026-09-24 12:53 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N77871 Boeing 737-300 Completed 3729 km
2026-09-24 09:50 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17402 Boeing 737 MAX 9 Completed 830 km
2026-09-23 12:12 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N17594 Boeing 737-900 Completed 3741 km
2026-09-23 09:46 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N27546 Boeing 737 MAX 9 Completed 810 km
2026-09-22 12:17 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N17408 Boeing 737 MAX 9 Completed 3786 km
2026-09-22 09:56 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N75426 Boeing 737-900 Completed 815 km
2026-09-21 12:08 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N37540 Boeing 737 MAX 9 Completed 3810 km
2026-09-21 09:49 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17430 Boeing 737 MAX 9 Completed 816 km
2026-09-20 12:31 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N77587 Boeing 737 MAX 9 Completed 3932 km
2026-09-20 09:52 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N39450 Boeing 737-900 Completed 789 km
2026-09-19 12:07 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57870 Boeing 737-300 Completed 3898 km
2026-09-19 09:55 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N47533 Boeing 737 MAX 9 Completed 864 km
2026-09-18 12:54 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N47462 Boeing 737 MAX 9 Completed 3981 km
2026-09-18 10:00 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N37555 Boeing 737 MAX 9 Completed 736 km
2026-09-17 12:16 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N27515 Boeing 737 MAX 9 Completed 3970 km
2026-09-17 09:54 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N62892 Boeing 737-900 Completed 802 km
2026-09-16 12:19 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N77544 Boeing 737 MAX 9 Completed 4031 km
2026-09-16 09:50 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17443 Boeing 737 MAX 9 Completed 774 km
2026-09-15 12:12 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N17405 Boeing 737 MAX 9 Completed 4021 km
2026-09-15 09:55 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N77559 Boeing 737 MAX 9 Completed 849 km
2026-09-14 12:05 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N77598 Boeing 737 MAX 9 Completed 4124 km
2026-09-14 09:51 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N47462 Boeing 737 MAX 9 Completed 862 km
2026-09-13 12:06 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N17432 Boeing 737 MAX 9 Completed 4083 km
2026-09-13 09:57 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N77598 Boeing 737 MAX 9 Completed 797 km
2026-09-12 12:09 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57868 Boeing 737-300 Completed 4129 km
2026-09-12 09:50 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N77571 Boeing 737 MAX 9 Completed 794 km
2026-09-11 12:04 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N34460 Boeing 737-900 Completed 3986 km
2026-09-11 09:56 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N47457 Boeing 737 MAX 9 Completed 865 km
2026-09-10 12:10 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N47457 Boeing 737 MAX 9 Completed 4094 km
2026-09-10 09:47 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N38443 Boeing 737-900 Completed 792 km
2026-09-09 12:07 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N27519 Boeing 737 MAX 9 Completed 3988 km
2026-09-09 09:58 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N57478 Boeing 737 MAX 9 Completed 792 km
2026-09-08 11:57 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57478 Boeing 737 MAX 9 Incomplete (signal lost) ~3810 km est. (911 km recorded)
2026-09-08 09:49 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N37440 Boeing 737 MAX 9 Completed 849 km
2026-09-07 12:26 UTC UAL1734 IAD → LAX
Washington, DC → Los Angeles
 N57852 Boeing 737-300 Completed 3968 km
2026-09-07 09:56 UTC UAL1734 BOS → IAD
Boston → Washington, DC
 N17421 Boeing 737 MAX 9 Completed 828 km

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