UAL4 | YAFT.LIVE

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Departure · London (LHR)

Terminal 2

Scheduled 19 Sep 13:40

Board status: Departed 16:00

Airborne since 19 Sep 15:59 (ADS-B)

Board data from heathrow, updated 17064 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

London Heathrow Airport (LHR) — London, United Kingdom

Scheduled departure

2026-09-19 12:40 UTC

Departed

2026-09-19 14:59 UTC

Arrival

George Bush Intercontinental Houston Airport (IAH) — Houston, United States

Also flies as

UA4

Codeshares

AC3913, LH7621, LX3038, OS7813, SN9080

Distance flown

8099 km

Straight-line distance

7763 km

Approach distance

101 km

Aircraft

Registration

N27015

Type

Boeing 777-200ER

Seats

276 total (156 Economy, 46 Economy Plus, 24 Premium Plus, 50 United Polaris Business)

CO2 (EMEP est., total)

429.7 t (3410 kg/pax Business, 1399 kg/pax Premium Economy, 1116 kg/pax Economy)

Altitude & speed

Max altitude

38,025 ft

Max ground speed

493 kt

Tracked

12h 15m · 7,924 km

Altitude (ft, max 38,025)

Ground speed (kt, max 493)

Altitude (ft, max 38,025)

Ground speed (kt, max 493)

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 12:58 UTC	UAL4	LHR → IAH London → Houston	N226UA	Boeing 777-200ER	In progress	~7763 km est.
2026-10-01 12:57 UTC	UAL4	LHR → IAH London → Houston	N226UA	Boeing 777-200ER	Completed (landing confirmed by airport data)	8150 km
2026-09-30 15:00 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Completed (landing confirmed by airport data)	8108 km
2026-09-29 16:20 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Completed (landing presumed)	8005 km
2026-09-28 13:04 UTC	UAL4	LHR → IAH London → Houston	N797UA	Boeing 777-200ER	Completed (landing presumed)	7898 km
2026-09-27 13:09 UTC	UAL4	LHR → IAH London → Houston	N76010	Boeing 777-200ER	Incomplete (signal lost)	7977 km
2026-09-26 13:18 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Incomplete (signal lost)	8147 km
2026-09-25 12:52 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Completed (landing presumed)	8152 km
2026-09-24 12:46 UTC	UAL4	LHR → IAH London → Houston	N225UA	Boeing 777-200ER	Incomplete (signal lost)	7957 km
2026-09-23 12:56 UTC	UAL4	LHR → IAH London → Houston	N794UA	Boeing 777-200ER	Completed (landing presumed)	7982 km
2026-09-22 13:27 UTC	UAL4	LHR → IAH London → Houston	N794UA	Boeing 777-200ER	Completed (landing presumed)	8071 km
2026-09-21 13:04 UTC	UAL4	LHR → IAH London → Houston	N794UA	Boeing 777-200ER	Completed (landing presumed)	8882 km
2026-09-20 13:40 UTC	UAL4	LHR → IAH London → Houston	N27015	Boeing 777-200ER	Completed	8072 km
2026-09-19 14:59 UTC	UAL4	LHR → IAH London → Houston	N27015	Boeing 777-200ER	Completed	8099 km
2026-09-18 12:35 UTC	UAL4	LHR → IAH London → Houston	N77022	Boeing 777-200ER	Completed	8248 km
2026-09-17 13:06 UTC	UAL4	LHR → IAH London → Houston	N77022	Boeing 777-200ER	Completed	8434 km
2026-09-16 12:44 UTC	UAL4	LHR → IAH London → Houston	N229UA	Boeing 777-200ER	Incomplete (signal lost)	8291 km
2026-09-15 13:00 UTC	UAL4	LHR → IAH London → Houston	N229UA	Boeing 777-200ER	Completed	8267 km
2026-09-14 13:19 UTC	UAL4	LHR → IAH London → Houston	N798UA	Boeing 777-200ER	Completed	8479 km
2026-09-13 13:15 UTC	UAL4	LHR → IAH London → Houston	N77022	Boeing 777-200ER	Completed (landing presumed)	8649 km
2026-09-12 13:26 UTC	UAL4	LHR → IAH London → Houston	N77022	Boeing 777-200ER	Completed (landing presumed)	8229 km
2026-09-11 13:03 UTC	UAL4	LHR → IAH London → Houston	N57016	Boeing 777-200ER	Completed	8248 km
2026-09-10 12:47 UTC	UAL4	LHR → IAH London → Houston	N218UA	Boeing 777-200ER	Completed (landing presumed)	8514 km
2026-09-09 13:06 UTC	UAL4	LHR → IAH London → Houston	N218UA	Boeing 777-200ER	Completed	8188 km
2026-09-07 13:16 UTC	UAL4	LHR → IAH London → Houston	N37018	Boeing 777-200ER	Completed	8550 km
2026-09-06 13:01 UTC	UAL4	LHR → IAH London → Houston	N786UA	Boeing 777-200ER	Completed (landing presumed)	8339 km
2026-09-05 13:26 UTC	UAL4	LHR → IAH London → Houston	N786UA	Boeing 777-200ER	Completed	8261 km
2026-09-04 12:39 UTC	UAL4	LHR → IAH London → Houston	N77014	Boeing 777-200ER	Completed	8368 km
2026-09-03 13:36 UTC	UAL4	LHR → IAH London → Houston	N788UA	Boeing 777-200ER	Incomplete (signal lost)	8413 km
2026-09-02 13:09 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Completed	8936 km
2026-09-01 13:06 UTC	UAL4	LHR → IAH London → Houston	N784UA	Boeing 777-200ER	Completed	8596 km
2026-08-31 12:53 UTC	UAL4	LHR → IAH London → Houston	N797UA	Boeing 777-200ER	Completed	8504 km
2026-08-30 12:49 UTC	UAL4	LHR → IAH London → Houston	N77014	Boeing 777-200ER	Incomplete (signal lost)	8210 km
2026-08-29 12:51 UTC	UAL4	LHR → IAH London → Houston	N74007	Boeing 777-200ER	Completed	8304 km
2026-08-28 13:10 UTC	UAL4	LHR → IAH London → Houston	N37018	Boeing 777-200ER	Completed	8813 km
2026-08-27 13:21 UTC	UAL4	LHR → IAH London → Houston	N74007	Boeing 777-200ER	Completed	8328 km
2026-08-26 13:05 UTC	UAL4	LHR → IAH London → Houston	N77019	Boeing 777-200ER	Completed	8541 km
2026-08-25 12:58 UTC	UAL4	LHR → IAH London → Houston	N78017	Boeing 777-200ER	Completed	8247 km
2026-08-24 13:46 UTC	UAL4	LHR → IAH London → Houston	N224UA	Boeing 777-200ER	Completed	8184 km
2026-08-23 12:41 UTC	UAL4	LHR → IAH London → Houston	N224UA	Boeing 777-200ER	Completed	8175 km
2026-08-22 13:03 UTC	UAL4	LHR → IAH London → Houston	N57016	Boeing 777-200ER	Completed	9794 km
2026-08-21 13:05 UTC	UAL4	LHR → IAH London → Houston	N796UA	Boeing 777-200ER	Completed	9338 km
2026-08-20 13:11 UTC	UAL4	LHR → IAH London → Houston	N794UA	Boeing 777-200ER	Completed	9918 km
2026-08-19 13:07 UTC	UAL4	LHR → IAH London → Houston	N226UA	Boeing 777-200ER	Incomplete (signal lost)	10905 km
2026-08-18 12:53 UTC	UAL4	LHR → IAH London → Houston	N69020	Boeing 777-200ER	Completed	15472 km
2026-08-17 12:46 UTC	UAL4	LHR → IAH London → Houston	N37018	Boeing 777-200ER	Completed	9618 km
2026-08-16 12:42 UTC	UAL4	LHR → IAH London → Houston	N798UA	Boeing 777-200ER	Completed	9602 km
2026-08-15 12:26 UTC	UAL4	LHR → IAH London → Houston	N216UA	Boeing 777-200ER	Completed	10047 km
2026-08-13 12:42 UTC	UAL4	LHR → IAH London → Houston	N796UA	Boeing 777-200ER	Completed	10302 km