Apparatus

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flight_takeoff Flight

UAL4

Operated by UAL

Live map

Live map filtered to UAL4. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
21:52 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
240° / 12 kt
Visibility
6 SM
Ceiling
SCT 3,600 ft, BKN 4,400 ft
Temp / Dew
19°C / 15°C
Altimeter
29.76 inHg

Obs: 2026-08-28T20:20:00.000Z

Raw METAR / TAF 
METAR EGLL 282020Z AUTO 24012KT 9999 SCT036 BKN044 19/15 Q1008

TAF EGLL 281656Z 2818/2924 25015KT 9999 FEW040 TEMPO 2818/2821 7000 SHRA PROB30 TEMPO 2818/2821 26018G28KT 3000 +SHRA +TSGS PROB30 TEMPO 2823/2908 BKN010 TEMPO 2907/2921 8000 -RA BKN008 BECMG 2909/2912 17010KT PROB40 TEMPO 2909/2913 3000 +RA +SHRA BECMG 2912/2915 23010KT PROB30 TEMPO 2913/2919 3000 +RA +TSRA BECMG 2918/2921 29007KT TEMPO 2921/2924 BKN008

flight Live Traffic

flight_takeoff 54 Departures
flight_land 53 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
15:52 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
120° / 8 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft, SCT 25,000 ft
Temp / Dew
36°C / 22°C
Altimeter
29.97 inHg

Obs: 2026-08-28T19:53:00.000Z

Raw METAR / TAF 
METAR KIAH 281953Z 12008KT 10SM FEW055 SCT250 36/22 A2997 RMK AO2 SLP146 CB DSNT S-W-N MOVG SW T03610222

TAF KIAH 281720Z 2818/2924 VRB05KT P6SM SCT030 SCT250 FM282000 13007KT P6SM VCSH SCT050 SCT250 PROB30 2821/2824 VRB15G25KT -TSRA BKN050CB FM290000 VRB05KT P6SM FEW030

flight Live Traffic

flight_takeoff 166 Departures
flight_land 189 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AAD012 LHR → IAH Jul 26, 13:00 UTCJul 26, 22:30 UTC9h 30m - -
2026-07-25 AA6B9D LHR → IAH Jul 25, 12:55 UTCJul 25, 22:30 UTC9h 35m - -
2026-07-24 A1F1A0 LHR → IAH Jul 24, 12:50 UTCJul 24, 14:05 UTC1h 15m - -
2026-07-24 A1F1A0 LHR → IAH Jul 24, 13:05 UTCJul 24, 22:13 UTC9h 8m +25m +1m
2026-07-23 AAD3C9 LHR → IAH Jul 23, 13:25 UTCJul 23, 22:55 UTC9h 30m - -
2026-07-22 A1F1A0 LHR → IAH Jul 22, 13:25 UTCJul 22, 22:55 UTC9h 30m - -
2026-07-21 AAA125 LHR → IAH Jul 21, 13:40 UTCJul 21, 23:15 UTC9h 35m - -
2026-07-20 AA6B9D LHR → IAH Jul 20, 15:15 UTCJul 21, 00:25 UTC9h 10m - -
2026-07-19 AAC136 LHR → IAH Jul 19, 13:40 UTCJul 19, 22:50 UTC9h 10m - -
2026-07-18 AAC136 LHR → IAH Jul 18, 14:00 UTCJul 18, 15:10 UTC1h 10m - -
2026-07-18 AAC136 LHR → IAH Jul 18, 13:45 UTCJul 18, 23:01 UTC9h 16m +65m -7m
2026-07-17 AAD3C9 - Jul 17, 18:34 UTCJul 17, 22:29 UTC3h 55m - -
2026-07-17 AAD3C9 - Jul 17, 13:10 UTCJul 17, 18:29 UTC5h 20m - -
2026-07-16 AADB37 - Jul 16, 13:15 UTCJul 16, 22:40 UTC9h 25m - -
2026-07-15 AAA125 - Jul 15, 13:05 UTCJul 15, 22:35 UTC9h 30m - -
2026-07-14 AAC4ED - Jul 14, 13:05 UTCJul 14, 22:40 UTC9h 35m - -
2026-07-13 AAAC4A - Jul 13, 13:10 UTCJul 13, 22:35 UTC9h 25m - -
2026-07-12 AA6B9D - Jul 12, 13:10 UTCJul 12, 22:35 UTC9h 25m - -
2026-07-11 A1F557 - Jul 11, 13:25 UTCJul 11, 22:45 UTC9h 20m - -
2026-07-10 AAD780 - Jul 10, 13:10 UTCJul 10, 22:45 UTC9h 35m - -
2026-07-09 AA99B7 - Jul 9, 13:15 UTCJul 9, 23:00 UTC9h 45m - -
2026-07-08 AA6B9F - Jul 8, 13:10 UTCJul 8, 22:45 UTC9h 35m - -
2026-07-07 AAA125 - Jul 7, 13:00 UTCJul 7, 23:10 UTC10h 10m - -
2026-07-06 A75103 - Jul 6, 15:15 UTCJul 7, 00:40 UTC9h 25m - -
2026-07-05 AAD012 - Jul 5, 13:00 UTCJul 5, 23:00 UTC10h 0m - -
2026-07-04 AA6B9D - Jul 4, 12:55 UTCJul 4, 22:45 UTC9h 50m - -
2026-07-03 A1FCC5 - Jul 3, 12:50 UTCJul 3, 22:30 UTC9h 40m - -
2026-07-02 A43667 - Jul 2, 13:05 UTCJul 2, 23:15 UTC10h 10m - -
2026-07-01 A43667 - Jul 1, 13:05 UTCJul 1, 22:45 UTC9h 40m - -
2026-06-30 AAD012 - Jun 30, 12:55 UTCJun 30, 22:20 UTC9h 25m - -

Performance history

Flights tracked
149 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
16

Monthly activity 4 months

Month Flights tracked
July 2026 29
June 2026 40
May 2026 40
April 2026 40

UAL4 frequently asked

Where does flight UAL4 fly?
UAL4 (UAL) flies from LHR to IAH. View the full route page.
How long is flight UAL4?
Based on observed flights, UAL4 takes on average 8h 40m from takeoff to landing.
How often does UAL4 fly?
UAL4 has been observed flying daily in our tracking data. We've recorded 149 flights under this callsign.
Is flight UAL4 usually on time?
Across recent flights, UAL4 arrives 3 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL4?
UAL4 has been operated by 16 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL4 live?
Yes. When UAL4 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.