Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL879

Operated by UAL

Live map

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

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
LHR IAH Jul 14, 09:25 AM UTC Jul 14, 06:42 PM UTC PLANNED

Route airports View route page →

Departure

LHR EGLL MVFR

London Heathrow Airport

London, GB

Local time
10:04 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
40° / 10 kt
Visibility
6 SM
Ceiling
OVC 1,800 ft
Temp / Dew
20°C / 15°C
Altimeter
30.18 inHg

Obs: 2026-07-14T08:50:00.000Z

Raw METAR / TAF 
METAR EGLL 140850Z AUTO 04010KT 350V070 9999 OVC018 20/15 Q1022

TAF EGLL 140455Z 1406/1512 05010KT 9999 BKN016 TEMPO 1406/1408 BKN010 BECMG 1409/1412 CAVOK PROB30 TEMPO 1504/1506 BKN010

flight Live Traffic

flight_takeoff 35 Departures
flight_land 37 Arrivals

Arrival

IAH KIAH LIFR

George Bush Intercontinental Airport

Houston, US

Local time
04:04 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
90° / 6 kt
Visibility
0.25 SM
Ceiling
BKN 300 ft, BKN 4,400 ft
Temp / Dew
25°C / 25°C
Altimeter
30.04 inHg
Wx
BR

Obs: 2026-07-14T08:53:00.000Z

Raw METAR / TAF 
METAR KIAH 140853Z 09006KT 1/4SM BR BKN003 BKN044 25/25 A3004 RMK AO2 SFC VIS 6 SLP172 60000 T02500250 56011 $

TAF KIAH 140842Z 1409/1512 VRB03KT 6SM BR FEW008 SCT020 OVC150 TEMPO 1409/1410 SCT004 BKN008 FM141000 VRB04KT P6SM VCTS SCT008 SCT015 BKN020CB FM141200 16005KT 5SM SHRA VCTS SCT015 BKN020CB TEMPO 1412/1416 3SM TSRA OVC015CB FM141600 18007KT 6SM SHRA BR SCT020 BKN025 FM141900 15007KT P6SM SCT030 OVC100 FM150300 VRB03KT P6SM SCT030 BKN070

flight Live Traffic

flight_takeoff 108 Departures
flight_land 108 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
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 - -
2026-07-02 A1F557 - Jul 2, 09:20 UTCJul 2, 19:00 UTC9h 40m - -
2026-07-02 A1F557 LHR → IAH Jul 2, 09:25 UTCJul 2, 18:58 UTC9h 33m +25m -13m
2026-07-01 A20433 - Jul 1, 09:50 UTCJul 1, 19:40 UTC9h 50m - -
2026-06-30 AAD780 - Jun 30, 09:25 UTCJun 30, 18:50 UTC9h 25m - -
2026-06-29 A1F90E - Jun 29, 10:04 UTCJun 29, 19:24 UTC9h 20m - -
2026-06-28 A2007C - Jun 28, 09:45 UTCJun 28, 19:04 UTC9h 20m - -
2026-06-27 AABD7F - Jun 27, 09:09 UTCJun 27, 18:39 UTC9h 30m - -
2026-06-26 AA4440 - Jun 26, 09:14 UTCJun 26, 19:00 UTC9h 45m - -
2026-06-25 AAC4ED - Jun 25, 09:34 UTCJun 25, 19:05 UTC9h 30m - -
2026-06-24 A20433 - Jun 24, 09:34 UTCJun 24, 19:04 UTC9h 30m - -
2026-06-23 AAA125 - Jun 23, 09:40 UTCJun 23, 19:10 UTC9h 30m - -
2026-06-22 AAA125 - Jun 22, 10:05 UTCJun 22, 19:40 UTC9h 35m - -
2026-06-22 AAA125 LHR → IAH Jun 22, 09:25 UTCJun 22, 19:39 UTC10h 14m +25m -5m
2026-06-21 A1D18F - Jun 21, 09:29 UTCJun 21, 19:14 UTC9h 45m - -
2026-06-20 AAB001 - Jun 20, 09:24 UTCJun 20, 19:04 UTC9h 40m - -
2026-06-19 AA9300 - Jun 19, 09:24 UTCJun 19, 18:49 UTC9h 25m - -
2026-06-18 AABD7F - Jun 18, 16:10 UTCJun 18, 19:20 UTC3h 10m - -
2026-06-18 AABD7F - Jun 18, 09:20 UTCJun 18, 10:15 UTC55m - -

Performance history

Flights tracked
132 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 15
June 2026 40
May 2026 43
April 2026 34

UAL879 frequently asked

Where does flight UAL879 fly?
UAL879 (UAL) flies from LHR to IAH. View the full route page.
How long is flight UAL879?
Based on observed flights, UAL879 takes on average 9h 3m from takeoff to landing.
How often does UAL879 fly?
UAL879 has been observed flying daily in our tracking data. We've recorded 132 flights under this callsign.
Is flight UAL879 usually on time?
Across recent flights, UAL879 arrives 4 minutes early on average. 100% 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.