Apparatus

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flight_takeoff Flight

UAL143

Operated by United Airlines

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
02:23 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
280° / 7 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft
Temp / Dew
13°C / 9°C
Altimeter
29.80 inHg

Obs: 2026-05-30T07:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300753Z 28007KT 10SM FEW100 13/09 A2980 RMK AO2 SLP017 T01280089

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 219 Departures
flight_land 151 Arrivals

Arrival

NRT RJAA VFR

Narita International Airport

Narita, JP

Local time
17:23 GMT+9
Timezone
Asia/Tokyo
Type
Large Airport
Elevation
141 ft
Coordinates
35.7686, 140.3887

cloud Weather

Wind
170° / 13 kt
Visibility
6 SM
Ceiling
FEW 3,000 ft
Temp / Dew
25°C / 14°C
Altimeter
29.73 inHg

Obs: 2026-05-30T08:00:00.000Z

Raw METAR / TAF 
METAR RJAA 300800Z 17013KT 140V200 9999 FEW030 25/14 Q1007 NOSIG

TAF RJAA 300505Z 3006/3112 16014KT 9999 FEW030 BECMG 3010/3012 14004KT

flight Live Traffic

flight_takeoff 27 Departures
flight_land 13 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A31A7B DEN → NRT May 29, 18:10 UTCMay 30, 05:25 UTC11h 15m - -
2026-05-28 A47FD9 DEN → NRT May 28, 18:05 UTCMay 29, 05:20 UTC11h 15m - -
2026-05-27 A254DD DEN → NRT May 27, 18:15 UTCMay 28, 05:25 UTC11h 10m - -
2026-05-27 A126C9 DEN → NRT May 27, 08:35 UTCMay 27, 12:35 UTC4h 0m - -
2026-05-26 A2551A DEN → NRT May 26, 17:59 UTCMay 27, 05:09 UTC11h 10m - -
2026-05-25 A596B1 DEN → NRT May 25, 19:00 UTCMay 26, 06:10 UTC11h 9m - -
2026-05-25 A596B1 DEN → NRT May 25, 17:00 UTCMay 25, 17:05 UTC5m - -
2026-05-24 A2CB9E DEN → NRT May 24, 18:19 UTCMay 25, 06:31 UTC12h 12m +39m +11m
2026-05-24 A2CB9E DEN → NRT May 24, 18:20 UTCMay 25, 06:35 UTC12h 15m - -
2026-05-23 A2551D DEN → NRT May 23, 18:04 UTCMay 24, 05:27 UTC11h 23m +24m +7m
2026-05-23 A2551D DEN → NRT May 23, 18:05 UTCMay 23, 23:10 UTC5h 5m - -
2026-05-23 A126C9 DEN → NRT May 23, 08:30 UTCMay 23, 12:40 UTC4h 10m - -
2026-05-22 A254DD DEN → NRT May 22, 18:15 UTCMay 23, 05:20 UTC11h 4m - -
2026-05-21 A2CB12 DEN → NRT May 21, 21:00 UTCMay 22, 08:10 UTC11h 10m - -
2026-05-20 A31A77 DEN → NRT May 20, 18:05 UTCMay 21, 05:40 UTC11h 35m - -
2026-05-20 A126C9 DEN → NRT May 20, 08:10 UTCMay 20, 12:25 UTC4h 15m - -
2026-05-19 A18CBB DEN → NRT May 19, 18:00 UTCMay 20, 05:20 UTC11h 21m - -
2026-05-18 A2CB9E DEN → NRT May 18, 18:19 UTCMay 19, 06:18 UTC11h 59m +44m +13m
2026-05-18 A2CB9E DEN → NRT May 18, 18:15 UTCMay 19, 06:20 UTC12h 4m - -
2026-05-17 A596B1 DEN → NRT May 17, 17:59 UTCMay 18, 04:47 UTC10h 48m +24m -15m
2026-05-17 A596B1 DEN → NRT May 17, 17:55 UTCMay 18, 04:15 UTC10h 20m - -
2026-05-16 A2F2FA DEN → NRT May 16, 23:46 UTCMay 17, 10:44 UTC10h 58m +371m +5m
2026-05-16 A2F2FA DEN → NRT May 16, 23:45 UTCMay 17, 04:50 UTC5h 5m - -
2026-05-16 A126C9 DEN → NRT May 16, 12:31 UTCMay 16, 12:50 UTC20m - -
2026-05-16 A126C9 DEN → NRT May 16, 08:16 UTCMay 16, 08:55 UTC40m - -
2026-05-15 A31A73 DEN → NRT May 15, 17:55 UTCMay 16, 05:10 UTC11h 15m - -
2026-05-14 A2CB9E DEN → NRT May 14, 17:55 UTCMay 15, 04:45 UTC10h 50m - -
2026-05-14 A31A76 DEN → NRT May 14, 00:54 UTCMay 14, 11:39 UTC10h 45m +439m -13m
2026-05-14 A31A76 DEN → NRT May 14, 00:55 UTCMay 14, 11:35 UTC10h 40m - -
2026-05-13 AA73B9 DEN → NRT May 13, 08:00 UTCMay 13, 12:15 UTC4h 15m - -

Performance history

Flights tracked
95 showing last 30
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
15

Monthly activity 2 months

Month Flights tracked
May 2026 52
April 2026 43

UAL143 frequently asked

Where does flight UAL143 fly?
UAL143 (United Airlines) flies from DEN to NRT. View the full route page.
How long is flight UAL143?
Based on observed flights, UAL143 takes on average 8h 49m from takeoff to landing.
How often does UAL143 fly?
UAL143 has been observed flying several times a week in our tracking data. We've recorded 95 flights under this callsign.
Is flight UAL143 usually on time?
Across recent flights, UAL143 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL143?
UAL143 has been operated by 15 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.