UA3900

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 1241 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

Distance flown

4061 km

Straight-line distance

3941 km

Approach distance

117 km

Aircraft

Registration

N27959

Type

Boeing 787-9

Seats

252 total (116 Economy, 88 Economy Plus, 48 Polaris)

CO2 (EMEP est., total)

176.1 t (1506 kg/pax Business, 508 kg/pax Economy)

Altitude & speed

Max altitude

39,025 ft

Max ground speed

576 kt

Tracked

5h 52m · 4,053 km

Altitude (ft, max 39,025)

Ground speed (kt, max 576)

Altitude (ft, max 39,025)

Ground speed (kt, max 576)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
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
2026-09-18 21:07 UTC	UAL3900	ORD → LAX Chicago → Los Angeles	N22992	Boeing 787-9	Completed	3099 km
2026-08-30 14:39 UTC	UAL3900	ORD → LAX Chicago → Los Angeles	N12012	Boeing 787-10	Completed	2935 km