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UAL143

DEN → NRT · Boeing 787-9 · United Airlines

For travellers

Arrival · Tokyo / Narita (NRT)

Terminal T1-South · Gate 35
Scheduled 22 Sep 14:45 · Estimated 22 Sep 15:22 · +37 min
Board status: ARRIVED
Landed 22 Sep 05:09 (estimated)

Board data from narita, updated 14435 min ago; times local to each airport.

Flight

Status
Incomplete (signal lost)
Departure
Denver International Airport (DEN) — Denver, United States
Departed
2026-09-21 17:49 UTC
Arrival
Narita International Airport (NRT) — Tokyo / Narita, Japan (scheduled)
Scheduled arrival
2026-09-22 05:45 UTC
Estimated arrival
2026-09-22 06:22 UTC
Also flies as
UA143
Codeshares
NH7033
Distance flown
2044 km
Straight-line distance
9293 km

Aircraft

Registration
N24972
Type
Boeing 787-9
Seats
252 total (116 Economy, 88 Economy Plus, 48 Polaris)

Altitude & speed

Max altitude
34,025 ft
Max ground speed
519 kt
Tracked
2h 19m · 2,028 km
Altitude (ft, max 34,025)
018,37436,7470m30m1h 0m1h 30m2h 0m
Ground speed (kt, max 519)
02805610m30m1h 0m1h 30m2h 0m
Altitude (ft, max 34,025)
018,37436,7470m1h 0m2h 0m
Ground speed (kt, max 519)
02805610m1h 0m2h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 05:52 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N26960 Boeing 787-9 Completed 446 km
2026-10-01 18:25 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N26960 Boeing 787-9 Incomplete (signal lost) ~9890 km est. (2042 km recorded)
2026-09-30 17:51 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N29968 Boeing 787-9 Completed 9522 km
2026-09-30 08:20 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N17329 Boeing 737 MAX 8 Completed 3594 km
2026-09-30 04:50 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24979 Boeing 787-9 Completed 472 km
2026-09-29 17:48 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24979 Boeing 787-9 Incomplete (signal lost) ~9465 km est. (5319 km recorded)
2026-09-29 04:59 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Completed 472 km
2026-09-28 17:49 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Incomplete (signal lost) ~9619 km est. (5386 km recorded)
2026-09-28 05:06 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24973 Boeing 787-9 Completed 503 km
2026-09-27 17:47 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24973 Boeing 787-9 Incomplete (signal lost) ~9859 km est. (1884 km recorded)
2026-09-27 04:22 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N27965 Boeing 787-9 Completed 470 km
2026-09-26 17:39 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N27965 Boeing 787-9 Incomplete (signal lost) ~9596 km est. (4633 km recorded)
2026-09-26 08:08 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N17302 Boeing 737 MAX 8 Completed 3327 km
2026-09-26 04:03 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N29961 Boeing 787-9 Completed 472 km
2026-09-25 17:43 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N29961 Boeing 787-9 Incomplete (signal lost) ~9473 km est. (4540 km recorded)
2026-09-25 05:26 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N36962 Boeing 787-9 Completed 511 km
2026-09-24 18:43 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N36962 Boeing 787-9 Incomplete (signal lost) ~9516 km est. (5351 km recorded)
2026-09-24 04:36 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N30PX GULFSTREAM AEROSPACE Gulfstream G280 Completed 482 km
2026-09-23 17:34 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N30PX GULFSTREAM AEROSPACE Gulfstream G280 Incomplete (signal lost) ~9477 km est. (5335 km recorded)
2026-09-23 08:24 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N17326 Boeing 737 MAX 8 Completed 3374 km
2026-09-23 04:43 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Completed 490 km
2026-09-22 17:46 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Incomplete (signal lost) ~9445 km est. (5251 km recorded)
2026-09-22 05:38 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24972 Boeing 787-9 Completed 444 km
2026-09-21 17:49 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24972 Boeing 787-9 Incomplete (signal lost) ~9899 km est. (2044 km recorded)
2026-09-20 04:23 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N26970 Boeing 787-9 Completed 507 km
2026-09-19 17:37 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N26970 Boeing 787-9 Incomplete (signal lost) ~9599 km est. (5327 km recorded)
2026-09-19 08:34 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N27304 Boeing 737 MAX 8 Completed 3457 km
2026-09-19 04:04 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N27997 Boeing 787-9 Completed 475 km
2026-09-18 17:36 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N27997 Boeing 787-9 Incomplete (signal lost) ~9682 km est. (5429 km recorded)
2026-09-18 04:40 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N30PX GULFSTREAM AEROSPACE Gulfstream G280 Completed 513 km
2026-09-17 17:51 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N30PX GULFSTREAM AEROSPACE Gulfstream G280 Incomplete (signal lost) ~9668 km est. (5515 km recorded)
2026-09-17 04:27 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24988 Boeing 787-9 Completed 470 km
2026-09-16 17:34 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24988 Boeing 787-9 Incomplete (signal lost) ~9707 km est. (2218 km recorded)
2026-09-16 08:16 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N17303 Boeing 737 MAX 8 Completed (landing presumed) 3363 km
2026-09-16 04:48 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N23994 Boeing 787-9 Completed 457 km
2026-09-15 17:48 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N23994 Boeing 787-9 Incomplete (signal lost) ~9989 km est. (2022 km recorded)
2026-09-15 04:48 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N38955 Boeing 787-9 Completed 496 km
2026-09-14 17:55 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N38955 Boeing 787-9 Incomplete (signal lost) ~9609 km est. (2199 km recorded)
2026-09-14 04:42 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Completed 456 km
2026-09-13 17:45 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N24980 Boeing 787-9 Incomplete (signal lost) ~9518 km est. (2219 km recorded)
2026-09-13 04:59 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N19951 Boeing 787-9 Completed 512 km
2026-09-12 17:56 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N19951 Boeing 787-9 Incomplete (signal lost) ~9482 km est. (2319 km recorded)
2026-09-12 07:58 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N33262 Boeing 737-800 Completed 3349 km
2026-09-12 05:08 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N19986 Boeing 787-9 Completed 520 km
2026-09-11 18:03 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N19986 Boeing 787-9 Incomplete (signal lost) ~9565 km est. (2986 km recorded)
2026-09-11 04:49 UTC UAL143 ? → NRT
? → Tokyo / Narita
 N38955 Boeing 787-9 Completed 473 km
2026-09-10 17:54 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N38955 Boeing 787-9 Incomplete (signal lost) ~9509 km est. (2371 km recorded)
2026-09-09 17:54 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N30PX GULFSTREAM AEROSPACE Gulfstream G280 Completed 9796 km
2026-09-09 08:32 UTC UAL143 NRT → ROR
Tokyo / Narita → Babelthuap Island
 N17329 Boeing 737 MAX 8 Completed 3382 km
2026-09-07 18:56 UTC UAL143 DEN → NRT
Denver → Tokyo / Narita
 N28987 Boeing 787-9 Completed 9787 km

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