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UAL3900

LAX → EWR · Boeing 787-9 · United Airlines

For travellers

Departure · Los Angeles (LAX)

Terminal 7 · Gate 77
Scheduled 00:30
Board status: On Time
Airborne since 01:42 (ADS-B)

Board data from lax, updated 989 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
Los Angeles International Airport (LAX) — Los Angeles, United States
Scheduled departure
2026-10-03 07:30 UTC
Departed
2026-10-03 08:42 UTC
Arrival
Newark Liberty International Airport (EWR) — Newark, United States
Also flies as
Distance flown
4061 km
Straight-line distance
3941 km
Approach distance
117 km

Aircraft

Registration
Type
Boeing 787-9
Seats
252 total (116 Economy, 88 Economy Plus, 48 Polaris)
CO2 (EMEP est., total)
176.1 t (508 kg/pax Economy, 1506 kg/pax Business)

Altitude & speed

Max altitude
39,025 ft
Max ground speed
576 kt
Tracked
5h 52m · 4,053 km
Altitude (ft, max 39,025)
021,07442,1470m1h 0m2h 0m3h 0m4h 0m5h 0m
Ground speed (kt, max 576)
03116220m1h 0m2h 0m3h 0m4h 0m5h 0m
Altitude (ft, max 39,025)
021,07442,1470m2h 0m4h 0m
Ground speed (kt, max 576)
03116220m2h 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
2026-10-03 08:42 UTC UAL3900 LAX → EWR
Los Angeles → Newark
N27959 Boeing 787-9 Completed 4061 km
2026-10-03 01:23 UTC UAL3900 DEN → IAH
Denver → Houston
N75861 Boeing 737-300 Completed (landing confirmed by airport data) 1449 km
2026-09-28 19:56 UTC UAL3900 HNL → HKG
Honolulu → Hong Kong
N660UA Boeing B767 300ER Completed 9085 km
2026-09-25 09:41 UTC UAL3900 SNN → ORD
Shannon → Chicago
N674UA Boeing B767 300ER Completed 6021 km
2026-09-24 15:22 UTC UAL3900 SFO → SMF
San Francisco → Sacramento
N436UA Airbus A320 233 Completed 194 km
2026-09-22 15:17 UTC UAL3900 OMA → DEN
Omaha → Denver
N37422 Boeing 737-900 Completed 817 km
2026-09-20 10:50 UTC UAL3900 JAX → EWR
Jacksonville → Newark
N23707 Boeing 737-700 Completed 1473 km
2026-09-19 21:48 UTC UAL3900 LAX → SFO
Los Angeles → San Francisco
N22992 Boeing 787-9 Completed 601 km
2026-09-18 21:07 UTC UAL3900 ORD → LAX
Chicago → Los Angeles
N22992 Boeing 787-9 Completed 3099 km
2026-09-16 16:23 UTC UAL3900 LHR → EWR
London → Newark
N19136 Boeing 757-200 Completed (landing presumed) 5974 km
2026-09-14 14:49 UTC UAL3900 DUB → EWR
Dublin → Newark
N19130 Boeing 757-200 Completed 5483 km
2026-09-11 03:42 UTC UAL3900 SFO → LAX
San Francisco → Los Angeles
N47275 Boeing 737 MAX 8 Completed 671 km
2026-09-09 14:36 UTC UAL3900 AMS → EWR
Amsterdam → Newark
N641UA Boeing B767 300ER Completed 6203 km
2026-09-07 21:34 UTC UAL3900 GUM → HKG
Hagåtña, Guam International Airport → Hong Kong
N779UA Boeing 777-200ER Completed 3533 km
2026-09-07 14:23 UTC UAL3900 BZZ → ?
Brize Norton → ?
— — Incomplete (signal lost) 0 km
2026-09-06 15:57 UTC UAL3900 SFO → HNL
San Francisco → Honolulu
N215UA Boeing 777-200ER Completed 3966 km
2026-09-03 10:15 UTC UAL3900 VCE → EWR
Venice → Newark
N76064 Boeing 767-400ER Completed 7283 km
2026-09-02 10:55 UTC UAL3900 IAD → EWR
Washington, DC → Newark
N76055 Boeing 767-400ER Completed 421 km
2026-09-01 15:42 UTC UAL3900 IAH → SFO
Houston → San Francisco
N78001 Boeing 777-200ER Completed 2907 km
2026-08-31 11:52 UTC UAL3900 BCN → IAD
Barcelona → Washington, DC
N649UA Boeing B767 300ER Completed 7536 km
2026-08-30 14:39 UTC UAL3900 ORD → LAX
Chicago → Los Angeles
N12012 Boeing 787-10 Completed 2935 km
2026-08-29 12:21 UTC UAL3900 TPA → ORD
Tampa → Chicago
N73256 Boeing 737-800 Completed 1895 km
2026-08-23 20:12 UTC UAL3900 SFO → LAX
San Francisco → Los Angeles
N781UA Boeing 777-200ER Completed 671 km
2026-08-20 13:38 UTC UAL3900 MCO → DEN
Orlando → Denver
N87512 Boeing 737-800 Completed 5066 km
2026-08-18 11:33 UTC UAL3900 DEN → IAH
Denver → Houston
N821UA Airbus A319 Completed 2297 km
2026-08-15 12:54 UTC UAL3900 IAD → EWR
Washington, DC → Newark
N17254 Boeing 737 MAX 8 Completed 5034 km
2026-08-12 23:33 UTC UAL3900 BOI → DEN
Boise → Denver
N78448 Boeing 737-900 Completed 1276 km
2026-08-11 07:41 UTC UAL3900 ? → IAD
? → Washington, DC
N648UA Boeing B767 300ER Completed 4338 km

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