Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL27

Operated by United Airlines

Live map

Live map filtered to UAL27. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
12:57 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
200° / 13 kt
Visibility
10 SM
Ceiling
FEW 9,000 ft, FEW 13,000 ft
Temp / Dew
24°C / -1°C
Altimeter
29.88 inHg

Obs: 2026-10-12T17:53:00.000Z

Raw METAR / TAF 
METAR KDEN 121753Z 20013KT 10SM FEW090 FEW130 24/M01 A2988 RMK AO2 SLP035 T02441011 10250 20144 58001

TAF KDEN 121731Z 1218/1324 20014G22KT P6SM FEW090 FEW130 FM130100 22012G20KT P6SM FEW120 FM130500 33010KT P6SM FEW020 SCT040 FM131000 34008KT P6SM BKN015 BKN030 FM131400 05007KT P6SM BKN010 BKN030 FM131700 07007KT P6SM SCT020 BKN040 FM132000 07010KT P6SM SCT090 SCT120

flight Live Traffic

flight_takeoff 349 Departures
flight_land 353 Arrivals

Arrival

LHR EGLL IFR

London Heathrow Airport

London, GB

Local time
19:57 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
190° / 9 kt
Visibility
6 SM
Ceiling
BKN 600 ft, OVC 1,900 ft
Temp / Dew
18°C / 17°C
Altimeter
29.94 inHg
Wx
-RA

Obs: 2026-10-12T18:50:00.000Z

Raw METAR / TAF 
METAR EGLL 121850Z AUTO 19009KT 9999 -RA BKN006 OVC019 18/17 Q1014

TAF EGLL 121654Z 1218/1324 19008KT 9999 SCT008 BKN016 TEMPO 1218/1221 6000 -DZRA BKN007 PROB30 TEMPO 1218/1220 3000 DZ PROB30 TEMPO 1221/1302 6000 -DZ BKN008 TEMPO 1302/1307 6000 -DZ BKN006 PROB30 TEMPO 1302/1306 3000 DZ BR BECMG 1307/1309 27015G28KT TEMPO 1308/1312 6000 RA BKN014 PROB30 TEMPO 1308/1311 4000 +SHRA BECMG 1309/1312 CAVOK

flight Live Traffic

flight_takeoff 57 Departures
flight_land 9 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A47FD9 DEN → LHR Jul 26, 00:20 UTCJul 26, 08:45 UTC8h 26m - -
2026-07-26 A47FD9 DEN → LHR Jul 26, 00:08 UTCJul 26, 08:37 UTC8h 29m +33m -8m
2026-07-24 A254D8 DEN → LHR Jul 24, 23:55 UTCJul 25, 08:25 UTC8h 30m - -
2026-07-24 A254DD DEN → LHR Jul 24, 00:00 UTCJul 24, 07:15 UTC7h 15m - -
2026-07-23 A254DD DEN → LHR Jul 23, 23:58 UTCJul 24, 08:09 UTC8h 11m +23m +3m
2026-07-23 A47FDE DEN → LHR Jul 23, 00:25 UTCJul 23, 08:55 UTC8h 30m - -
2026-07-21 A31A7B DEN → LHR Jul 21, 00:45 UTCJul 21, 09:00 UTC8h 15m - -
2026-07-20 A31A77 DEN → LHR Jul 20, 01:40 UTCJul 20, 10:05 UTC8h 25m - -
2026-07-19 A2061E DEN → LHR Jul 19, 00:05 UTCJul 19, 08:25 UTC8h 20m - -
2026-07-18 A2061E DEN → LHR Jul 18, 00:01 UTCJul 18, 08:42 UTC8h 41m +26m +13m
2026-07-18 A2061E DEN → LHR Jul 18, 00:10 UTCJul 18, 08:45 UTC8h 36m - -
2026-07-17 A2061E DEN → LHR Jul 17, 00:10 UTCJul 17, 08:49 UTC8h 40m - -
2026-07-15 A2061E DEN → LHR Jul 15, 23:55 UTCJul 16, 08:35 UTC8h 40m - -
2026-07-15 A2551D - Jul 15, 00:00 UTCJul 15, 08:40 UTC8h 40m - -
2026-07-14 A25519 DEN → LHR Jul 14, 23:58 UTCJul 15, 08:26 UTC8h 28m +23m -1m
2026-07-14 A31A2D DEN → LHR Jul 14, 00:10 UTCJul 14, 08:40 UTC8h 30m - -
2026-07-13 A31A2D DEN → LHR Jul 13, 23:58 UTCJul 14, 08:28 UTC8h 30m +23m +1m
2026-07-12 A254D8 DEN → LHR Jul 12, 23:50 UTCJul 13, 08:25 UTC8h 35m - -
2026-07-12 A31A77 DEN → LHR Jul 12, 00:18 UTCJul 12, 08:20 UTC8h 2m +43m +7m
2026-07-12 A31A77 - Jul 12, 00:01 UTCJul 12, 07:45 UTC7h 45m - -
2026-07-11 A254D7 DEN → LHR Jul 11, 00:20 UTCJul 11, 08:45 UTC8h 25m - -
2026-07-10 A31A96 DEN → LHR Jul 10, 00:10 UTCJul 10, 08:40 UTC8h 30m - -
2026-07-09 A4095F DEN → LHR Jul 9, 00:25 UTCJul 9, 09:00 UTC8h 35m - -
2026-07-08 A2551D DEN → LHR Jul 8, 00:15 UTCJul 8, 08:50 UTC8h 35m - -
2026-07-07 A25519 - Jul 7, 08:50 UTCJul 7, 09:00 UTC10m - -
2026-07-07 A2551D DEN → LHR Jul 7, 00:40 UTCJul 7, 09:10 UTC8h 30m - -
2026-07-06 A25519 DEN → LHR Jul 6, 23:58 UTCJul 7, 09:07 UTC9h 9m +23m -19m
2026-07-06 A254D8 DEN → LHR Jul 6, 00:00 UTCJul 6, 08:25 UTC8h 25m - -
2026-07-04 A254D8 DEN → LHR Jul 4, 23:58 UTCJul 5, 08:17 UTC8h 19m +23m +10m
2026-07-04 A254D8 - Jul 4, 23:50 UTCJul 5, 01:40 UTC1h 50m - -

Performance history

Flights tracked
159 showing last 30
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
13

Monthly activity 4 months

Month Flights tracked
July 2026 34
June 2026 44
May 2026 39
April 2026 42

UAL27 frequently asked

Where does flight UAL27 fly?
UAL27 (United Airlines) flies from DEN to LHR. View the full route page.
How long is flight UAL27?
Based on observed flights, UAL27 takes on average 7h 56m from takeoff to landing.
How often does UAL27 fly?
UAL27 has been observed flying several times a week in our tracking data. We've recorded 159 flights under this callsign.
Is flight UAL27 usually on time?
Across recent flights, UAL27 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL27?
UAL27 has been operated by 13 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL27 live?
Yes. When UAL27 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.