Live tracking not available yet
UA143 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
DEN
Denver International Airport
Denver
Gate B32 Scheduled 1:19 PM
Actual 12:25 PM
NRT
Narita International Airport
Narita
T1 Gate 36 Scheduled 4:28 PM
Actual 3:40 PM
12h 9m flight time
Daily
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
1:19 PM
Arrival
4:28 PM
Duration
12h 9m
Aircraft
Boeing 787-9 Dreamliner
Gate
B32
36
Actual
12:25
15:40
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 16 —
Jun 17, 2026