Apparatus

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flight_takeoff Flight

UAL143

Operated by UAL

Live map

Live map filtered to UAL143. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
00:21 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
210° / 6 kt
Visibility
10 SM
Ceiling
SCT 7,500 ft, BKN 9,500 ft, BKN 20,000 ft
Temp / Dew
9°C / -3°C
Altimeter
29.87 inHg

Obs: 2026-04-15T05:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150553Z 21006KT 10SM SCT075 BKN095 BKN200 09/M03 A2987 RMK AO2 WSHFT 0440 SLP074 60000 T00891033 10106 20050 58006

TAF KDEN 150528Z 1506/1612 21011KT P6SM SCT060 BKN090 FM150800 22010KT P6SM FEW090 SCT200 FM151500 25009KT P6SM FEW100 FM152000 30010KT P6SM FEW100 FM160300 21009KT P6SM SCT200

flight Live Traffic

flight_takeoff 181 Departures
flight_land 209 Arrivals

Arrival

NRT RJAA VFR

Narita International Airport

Narita, JP

Local time
15:21 GMT+9
Timezone
Asia/Tokyo
Type
Large Airport
Elevation
141 ft
Coordinates
35.7686, 140.3887

cloud Weather

Wind
130° / 9 kt
Visibility
6 SM
Ceiling
FEW 2,500 ft, SCT 3,500 ft, BKN 5,000 ft
Temp / Dew
20°C / 14°C
Altimeter
29.82 inHg

Obs: 2026-04-15T06:00:00.000Z

Raw METAR / TAF 
METAR RJAA 150600Z 13009KT 100V160 9999 FEW025 SCT035 BKN050 20/14 Q1010 NOSIG

TAF RJAA 150505Z 1506/1612 10008KT 9999 FEW010 BKN030 BECMG 1506/1508 04006KT TEMPO 1507/1509 4000 -RA BR FEW003 BKN008 TEMPO 1509/1518 2000 SHRA BR FEW001 BKN003 TEMPO 1518/1600 4000 -SHRA BR FEW003 BKN008 BECMG 1600/1603 02020KT TEMPO 1600/1609 02022G32KT

flight Live Traffic

flight_takeoff 14 Departures
flight_land 20 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A31A2D DEN → NRT Apr 14, 05:15 UTCApr 14, 06:00 UTC45m - -
2026-04-13 A31A2D DEN → NRT Apr 13, 19:50 UTCApr 13, 23:45 UTC3h 55m - -
2026-04-13 A31A2D DEN → NRT Apr 13, 18:25 UTCApr 13, 20:10 UTC1h 45m - -
2026-04-13 A18D29 DEN → NRT Apr 13, 04:35 UTCApr 13, 05:20 UTC45m - -
2026-04-12 A18D29 DEN → NRT Apr 12, 23:55 UTCApr 13, 00:10 UTC15m - -
2026-04-12 A18D29 DEN → NRT Apr 12, 17:55 UTCApr 12, 20:15 UTC2h 20m - -

Performance history

Flights tracked
6
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 6

UAL143 frequently asked

Where does flight UAL143 fly?
UAL143 (UAL) flies from DEN to NRT. View the full route page.
How long is flight UAL143?
Based on observed flights, UAL143 takes on average 1h 38m from takeoff to landing.
How often does UAL143 fly?
UAL143 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
What aircraft operates flight UAL143?
UAL143 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL143 live?
Yes. When UAL143 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.