UAL123

For travellers

Departure · London (LHR)

Terminal 2

Scheduled 29 Aug 07:45

Board status: Departed 07:59

Airborne since 29 Aug 07:59 (ADS-B)

Board data from heathrow, updated 47397 min ago; times local to each airport.

Flight

Status

Completed

Departure

London Heathrow Airport (LHR) — London, United Kingdom

Scheduled departure

2026-08-29 06:45 UTC

Est. departure time

2026-08-29 06:41 UTC (approx.)

Arrival

Newark Liberty International Airport (EWR) — Newark, United States

Also flies as

UA123

Codeshares

AC5424, LH7753, OS7791, SN9028

Distance flown

5949 km

Straight-line distance

5562 km

Approach distance

175 km

Aircraft

Registration

N13954

Type

Boeing 787-9

Seats

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

CO2 (EMEP est., total)

251.2 t (2147 kg/pax Business, 724 kg/pax Economy)

Altitude & speed

Max altitude

40,000 ft

Max ground speed

511 kt

Tracked

7h 19m · 5,757 km

Altitude (ft, max 40,000)

Ground speed (kt, max 511)

Altitude (ft, max 40,000)

Ground speed (kt, max 511)

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
2026-10-02 07:12 UTC	UAL123	LHR → EWR London → Newark	N25982	Boeing 787-9	Completed	5789 km
2026-10-01 06:58 UTC	UAL123	LHR → EWR London → Newark	N15969	Boeing 787-9	Completed	5668 km
2026-09-30 06:49 UTC	UAL123	LHR → EWR London → Newark	N23983	Boeing 787-9	Completed	5885 km
2026-09-29 06:53 UTC	UAL123	LHR → EWR London → Newark	N26966	Boeing 787-9	Completed	5696 km
2026-09-28 06:51 UTC	UAL123	LHR → EWR London → Newark	N24972	Boeing 787-9	Completed	5732 km
2026-09-27 07:00 UTC	UAL123	LHR → EWR London → Newark	N29971	Boeing 787-9	Completed	5817 km
2026-09-26 07:13 UTC	UAL123	LHR → EWR London → Newark	N27964	Boeing 787-9	Completed	5815 km
2026-09-25 07:03 UTC	UAL123	LHR → EWR London → Newark	N29977	Boeing 787-9	Completed	5813 km
2026-09-24 06:50 UTC	UAL123	LHR → EWR London → Newark	N23994	Boeing 787-9	Completed	5745 km
2026-09-23 07:18 UTC	UAL123	LHR → EWR London → Newark	N26952	Boeing 787-9	Completed	5990 km
2026-09-21 23:20 UTC	UAL123	SWF → EWR Newburgh → Newark	N23983	Boeing 787-9	Completed	191 km
2026-09-21 07:07 UTC	UAL123	LHR → EWR London → Newark	N23983	Boeing 787-9	Incomplete (signal lost)	5990 km
2026-09-20 06:59 UTC	UAL123	LHR → EWR London → Newark	N27957	Boeing 787-9	Completed	5890 km
2026-09-19 06:51 UTC	UAL123	LHR → EWR London → Newark	N45956	Boeing 787-9	Completed	5924 km
2026-09-18 07:03 UTC	UAL123	LHR → EWR London → Newark	N15969	Boeing 787-9	Completed	5966 km
2026-09-17 06:51 UTC	UAL123	LHR → EWR London → Newark	N23983	Boeing 787-9	Completed	5846 km
2026-09-16 06:53 UTC	UAL123	LHR → EWR London → Newark	N26960	Boeing 787-9	Completed	5921 km
2026-09-15 07:01 UTC	UAL123	LHR → EWR London → Newark	N19986	Boeing 787-9	Completed	5924 km
2026-09-14 06:55 UTC	UAL123	LHR → EWR London → Newark	N29984	Boeing 787-9	Completed	5906 km
2026-09-13 07:01 UTC	UAL123	LHR → EWR London → Newark	N24979	Boeing 787-9	Completed	5823 km
2026-09-12 07:03 UTC	UAL123	LHR → EWR London → Newark	N35953	Boeing 787-9	Completed	5910 km
2026-09-11 07:04 UTC	UAL123	LHR → EWR London → Newark	N27958	Boeing 787-9	Completed	5991 km
2026-09-10 07:07 UTC	UAL123	LHR → EWR London → Newark	N25982	Boeing 787-9	Completed	6153 km
2026-09-08 07:02 UTC	UAL123	LHR → EWR London → Newark	N27958	Boeing 787-9	Incomplete (signal lost)	5326 km
2026-09-07 07:00 UTC	UAL123	LHR → EWR London → Newark	N13954	Boeing 787-9	Completed	5931 km
2026-09-06 06:49 UTC	UAL123	LHR → EWR London → Newark	N29991	Boeing 787-9	Completed	5853 km
2026-09-05 06:57 UTC	UAL123	LHR → EWR London → Newark	N24974	Boeing 787-9	Completed	5916 km
2026-09-04 07:44 UTC	UAL123	LHR → EWR London → Newark	—	—	Incomplete (signal lost)	~5588 km est. (16 km recorded)
2026-09-04 07:35 UTC	UAL123	LHR → EWR London → Newark	N26966	Boeing 787-9	Completed	6048 km
2026-09-03 06:49 UTC	UAL123	LHR → EWR London → Newark	N27959	Boeing 787-9	Completed	5794 km
2026-09-02 06:50 UTC	UAL123	LHR → EWR London → Newark	N29985	Boeing 787-9	Completed	5930 km
2026-09-01 06:47 UTC	UAL123	LHR → EWR London → Newark	N29984	Boeing 787-9	Completed	5974 km
2026-08-31 07:05 UTC	UAL123	LHR → EWR London → Newark	N25982	Boeing 787-9	Completed	5975 km
2026-08-30 06:54 UTC	UAL123	LHR → EWR London → Newark	N22995	Boeing 787-9	Completed	5787 km
2026-08-29 06:59 UTC	UAL123	LHR → EWR London → Newark	N13954	Boeing 787-9	Completed	5949 km
2026-08-28 06:51 UTC	UAL123	LHR → EWR London → Newark	N35953	Boeing 787-9	Completed	5959 km
2026-08-27 06:56 UTC	UAL123	LHR → EWR London → Newark	N22995	Boeing 787-9	Completed	5981 km
2026-08-26 06:55 UTC	UAL123	LHR → EWR London → Newark	N24972	Boeing 787-9	Completed	6189 km
2026-08-25 07:10 UTC	UAL123	LHR → EWR London → Newark	N19951	Boeing 787-9	Completed	5894 km
2026-08-24 07:02 UTC	UAL123	LHR → EWR London → Newark	N38950	Boeing 787-9	Completed	5923 km
2026-08-23 06:54 UTC	UAL123	LHR → EWR London → Newark	N27958	Boeing 787-9	Completed	6646 km
2026-08-22 07:09 UTC	UAL123	LHR → EWR London → Newark	N26996	Boeing 787-9	Completed	6654 km
2026-08-21 06:50 UTC	UAL123	LHR → EWR London → Newark	N25982	Boeing 787-9	Completed	6645 km
2026-08-20 07:12 UTC	UAL123	LHR → EWR London → Newark	N45956	Boeing 787-9	Completed	8875 km
2026-08-19 06:48 UTC	UAL123	LHR → EWR London → Newark	N36962	Boeing 787-9	Completed	7379 km
2026-08-18 06:56 UTC	UAL123	LHR → EWR London → Newark	N29968	Boeing 787-9	Completed	9489 km
2026-08-17 06:56 UTC	UAL123	LHR → EWR London → Newark	N26960	Boeing 787-9	Completed	6987 km
2026-08-16 07:07 UTC	UAL123	LHR → EWR London → Newark	N25982	Boeing 787-9	Completed	6826 km
2026-08-15 07:00 UTC	UAL123	LHR → EWR London → Newark	N26996	Boeing 787-9	Completed	~10788 km est. (6794 km recorded)
2026-08-14 07:02 UTC	UAL123	? → ?	—	—	Incomplete (signal lost)	24 km