Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL879

Operated by United Airlines

Live map

Live map filtered to UAL879. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
13:19 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
230° / 16 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
24°C / 11°C
Altimeter
29.70 inHg

Obs: 2026-08-28T11:50:00.000Z

Raw METAR / TAF 
METAR EGLL 281150Z AUTO 23016KT 9999 NCD 24/11 Q1006

TAF EGLL 281057Z 2812/2918 23008KT 9999 FEW030 TEMPO 2812/2821 7000 SHRA PROB30 TEMPO 2812/2820 24015G25KT 3000 +SHRA +TSGS PROB30 TEMPO 2823/2908 BKN010 TEMPO 2907/2918 8000 -RA BKN008 BECMG 2909/2912 17010KT PROB40 TEMPO 2909/2918 3000 +RA +SHRA BECMG 2912/2915 23010KT

flight Live Traffic

flight_takeoff 22 Departures
flight_land 30 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
07:19 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
20° / 4 kt
Visibility
10 SM
Ceiling
FEW 2,500 ft, SCT 7,500 ft, SCT 20,000 ft, BKN 25,000 ft
Temp / Dew
23°C / 23°C
Altimeter
30.00 inHg

Obs: 2026-08-28T11:53:00.000Z

Raw METAR / TAF 
METAR KIAH 281153Z 02004KT 10SM FEW025 SCT075 SCT200 BKN250 23/23 A3000 RMK AO2 SLP159 CB DSNT SW 60021 70021 T02330228 10294 20228 50006

TAF KIAH 281120Z 2812/2918 VRB05KT P6SM VCSH SCT025 SCT110 FM281300 VRB05KT P6SM SCT030 SCT150 FM281900 13006KT P6SM VCSH SCT050 SCT250 PROB30 2821/2824 -SHRA FM290200 VRB05KT P6SM FEW030

flight Live Traffic

flight_takeoff 169 Departures
flight_land 224 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AACC5B LHR → IAH Jul 26, 09:20 UTCJul 26, 18:45 UTC9h 25m - -
2026-07-25 AAA125 LHR → IAH Jul 25, 10:45 UTCJul 25, 20:10 UTC9h 25m - -
2026-07-25 AAA125 LHR → IAH Jul 25, 09:25 UTCJul 25, 20:05 UTC10h 40m +25m +88m
2026-07-24 A43667 LHR → IAH Jul 24, 09:40 UTCJul 24, 18:50 UTC9h 10m - -
2026-07-24 A43667 LHR → IAH Jul 24, 09:40 UTCJul 24, 18:48 UTC9h 8m +40m -11m
2026-07-23 A1AA10 LHR → IAH Jul 23, 09:35 UTCJul 23, 18:50 UTC9h 15m - -
2026-07-23 A1AA10 LHR → IAH Jul 23, 09:25 UTCJul 23, 18:51 UTC9h 26m +25m -2m
2026-07-21 AAC136 LHR → IAH Jul 21, 23:35 UTCJul 22, 19:05 UTC19h 30m - -
2026-07-21 AAC136 LHR → IAH Jul 21, 21:55 UTCJul 22, 19:05 UTC21h 10m - -
2026-07-21 A1D18F - Jul 21, 09:30 UTCJul 21, 18:55 UTC9h 25m - -
2026-07-20 A1A2A2 - Jul 20, 10:10 UTCJul 20, 19:20 UTC9h 10m - -
2026-07-20 A1A2A2 LHR → IAH Jul 20, 10:00 UTCJul 20, 19:08 UTC9h 8m +60m -17m
2026-07-19 AAA125 - Jul 19, 13:05 UTCJul 19, 22:15 UTC9h 10m - -
2026-07-18 AA92FC - Jul 18, 09:30 UTCJul 18, 18:55 UTC9h 25m - -
2026-07-17 A2007C - Jul 17, 09:30 UTCJul 17, 18:50 UTC9h 20m - -
2026-07-16 A75103 - Jul 16, 09:40 UTCJul 16, 18:59 UTC9h 20m - -
2026-07-15 AA6BC0 - Jul 15, 10:05 UTCJul 15, 19:35 UTC9h 30m - -
2026-07-14 AA99B7 - Jul 14, 09:50 UTCJul 14, 19:10 UTC9h 20m - -
2026-07-13 A20433 - Jul 13, 10:05 UTCJul 13, 19:45 UTC9h 40m - -
2026-07-12 A20433 - Jul 12, 09:50 UTCJul 12, 19:01 UTC9h 10m - -
2026-07-11 A1A2A2 LHR → IAH Jul 11, 09:25 UTCJul 11, 19:03 UTC9h 38m +25m +2m
2026-07-11 A1A2A2 - Jul 11, 09:25 UTCJul 11, 19:05 UTC9h 40m - -
2026-07-10 AA92FB - Jul 10, 09:45 UTCJul 10, 19:15 UTC9h 30m - -
2026-07-09 AA6B9D - Jul 9, 09:20 UTCJul 9, 18:50 UTC9h 30m - -
2026-07-08 AA9D6E - Jul 8, 09:30 UTCJul 8, 18:55 UTC9h 25m - -
2026-07-07 A1FCC5 - Jul 7, 09:45 UTCJul 7, 19:00 UTC9h 15m - -
2026-07-05 A1A2A2 - Jul 5, 09:40 UTCJul 5, 19:00 UTC9h 20m - -
2026-07-04 AAC8A4 - Jul 4, 09:30 UTCJul 4, 19:00 UTC9h 30m - -
2026-07-04 AAC8A4 LHR → IAH Jul 4, 09:25 UTCJul 4, 19:11 UTC9h 46m +25m -1m
2026-07-03 AAC8A4 - Jul 3, 09:25 UTCJul 3, 18:55 UTC9h 30m - -

Performance history

Flights tracked
150 showing last 30
Avg arrival delay
+10m
On-time arrival
83% 83% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 33
June 2026 40
May 2026 43
April 2026 34

UAL879 frequently asked

Where does flight UAL879 fly?
UAL879 (United Airlines) flies from LHR to IAH. View the full route page.
How long is flight UAL879?
Based on observed flights, UAL879 takes on average 10h 10m from takeoff to landing.
How often does UAL879 fly?
UAL879 has been observed flying several times a week in our tracking data. We've recorded 150 flights under this callsign.
Is flight UAL879 usually on time?
Across recent flights, UAL879 arrives with an average 10-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL879?
UAL879 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL879 live?
Yes. When UAL879 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.