Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL27

Operated by UAL

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
23:47 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
50° / 4 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 20,000 ft
Temp / Dew
14°C / 8°C
Altimeter
29.82 inHg

Obs: 2026-05-30T04:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300453Z 05004KT 10SM FEW120 FEW200 14/08 A2982 RMK AO2 SLP028 T01440083

TAF KDEN 300538Z 3006/3112 VRB06KT P6SM FEW100 SCT200 FM300900 25006KT P6SM FEW100 SCT200 FM301400 28009KT P6SM SCT180 FM302100 33010KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT -SHRA FM310300 27013KT P6SM FEW080 SCT100 FM310700 23011KT P6SM FEW100 SCT200

flight Live Traffic

flight_takeoff 382 Departures
flight_land 322 Arrivals

Arrival

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
06:47 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
360° / 4 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
16°C / 8°C
Altimeter
30.15 inHg

Obs: 2026-05-30T05:20:00.000Z

Raw METAR / TAF 
METAR EGLL 300520Z AUTO 36004KT 9999 NCD 16/08 Q1021

TAF EGLL 300456Z 3006/3112 VRB04KT CAVOK BECMG 3014/3017 28010KT BECMG 3104/3107 BKN030 PROB30 TEMPO 3105/3108 BKN014

flight Live Traffic

flight_takeoff 28 Departures
flight_land 66 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A254D8 DEN → LHR May 29, 23:50 UTCMay 30, 01:40 UTC1h 50m - -
2026-05-28 A254D8 DEN → LHR May 28, 23:50 UTCMay 29, 08:45 UTC8h 55m - -
2026-05-28 A20621 DEN → LHR May 28, 00:05 UTCMay 28, 08:40 UTC8h 35m - -
2026-05-27 A20621 DEN → LHR May 27, 00:04 UTCMay 27, 08:35 UTC8h 31m - -
2026-05-26 A2551D DEN → LHR May 26, 00:04 UTCMay 26, 08:39 UTC8h 35m - -
2026-05-25 A2551D DEN → LHR May 25, 23:58 UTCMay 26, 08:25 UTC8h 27m +23m -4m
2026-05-25 A254D9 DEN → LHR May 25, 08:00 UTCMay 25, 08:10 UTC10m - -
2026-05-25 A254DD DEN → LHR May 25, 07:00 UTCMay 25, 08:20 UTC1h 20m - -
2026-05-24 A254DD DEN → LHR May 24, 23:58 UTCMay 25, 08:17 UTC8h 19m +23m +4m
2026-05-23 A31A7B DEN → LHR May 23, 23:45 UTCMay 24, 08:25 UTC8h 40m - -
2026-05-23 A596B1 DEN → LHR May 23, 02:05 UTCMay 23, 10:15 UTC8h 9m - -
2026-05-22 A47FD9 DEN → LHR May 22, 00:15 UTCMay 22, 03:50 UTC3h 35m - -
2026-05-21 A47FD9 DEN → LHR May 21, 23:58 UTCMay 22, 08:33 UTC8h 35m +23m +5m
2026-05-20 A2CB9E DEN → LHR May 20, 23:58 UTCMay 21, 08:07 UTC8h 9m +23m +8m
2026-05-20 A2CB9E DEN → LHR May 20, 23:55 UTCMay 21, 07:30 UTC7h 35m - -
2026-05-20 A596B1 DEN → LHR May 20, 00:15 UTCMay 20, 08:35 UTC8h 21m - -
2026-05-19 A596B1 DEN → LHR May 19, 23:58 UTCMay 20, 08:08 UTC8h 10m +23m -10m
2026-05-18 A31A7B DEN → LHR May 18, 23:55 UTCMay 19, 08:20 UTC8h 25m - -
2026-05-18 A2551D DEN → LHR May 18, 01:50 UTCMay 18, 09:50 UTC8h 0m - -
2026-05-16 A2CB9E DEN → LHR May 16, 23:55 UTCMay 17, 08:20 UTC8h 25m - -
2026-05-16 A2CB12 DEN → LHR May 16, 01:40 UTCMay 16, 09:40 UTC8h 1m - -
2026-05-14 A2551D DEN → LHR May 14, 23:55 UTCMay 15, 08:10 UTC8h 15m - -
2026-05-12 A596B1 DEN → LHR May 12, 23:50 UTCMay 13, 08:35 UTC8h 45m - -
2026-05-12 A596B1 DEN → LHR May 12, 07:10 UTCMay 12, 08:30 UTC1h 20m - -
2026-05-12 A596B1 DEN → LHR May 12, 00:01 UTCMay 12, 08:26 UTC8h 25m +26m +8m
2026-05-11 A31A76 DEN → LHR May 11, 01:10 UTCMay 11, 09:30 UTC8h 20m - -
2026-05-10 A31A50 DEN → LHR May 10, 04:39 UTCMay 10, 12:54 UTC8h 15m - -
2026-05-09 A13DE2 DEN → LHR May 9, 08:25 UTCMay 9, 09:55 UTC1h 30m - -
2026-05-09 A13DE2 DEN → LHR May 9, 01:15 UTCMay 9, 04:45 UTC3h 30m - -
2026-05-08 A43100 DEN → LHR May 8, 02:39 UTCMay 8, 10:54 UTC8h 15m - -

Performance history

Flights tracked
80 showing last 30
Avg arrival delay
+2m
On-time arrival
100% 100% on time
Aircraft used
14

Monthly activity 2 months

Month Flights tracked
May 2026 38
April 2026 42

UAL27 frequently asked

Where does flight UAL27 fly?
UAL27 (UAL) flies from DEN to LHR. View the full route page.
How long is flight UAL27?
Based on observed flights, UAL27 takes on average 6h 51m 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 80 flights under this callsign.
Is flight UAL27 usually on time?
Across recent flights, UAL27 arrives with an average 2-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL27?
UAL27 has been operated by 14 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.