United Airlines flight UA 143: Denver - Koror via Tokyo Narita

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 10:15 Denver (DEN) 14:35 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:20 Operates only on 2026-02-03
The flight arrives 1 day after departure.
Daily 11:25 Denver (DEN) 15:40 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:15 Valid until 2026-02-02
The flight arrives 1 day after departure.
Daily 11:25 Denver (DEN) 15:40 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:15 Effective 2026-02-04 through 2026-03-07
The flight arrives 1 day after departure.
Daily 11:25 Denver (DEN) 14:45 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:20 Effective 2026-09-08 through 2026-10-23
The flight arrives 1 day after departure.
Daily 11:35 Denver (DEN) 14:45 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:10 Effective 2026-03-28 through 2026-05-20
The flight arrives 1 day after departure.
Daily 11:40 Denver (DEN) 14:30 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 11:50 Effective 2026-05-21 through 2026-09-07
The flight arrives 1 day after departure.
Daily 12:25 Denver (DEN) 15:40 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:15 Effective 2026-03-08 through 2026-03-27
The flight arrives 1 day after departure.
Daily 12:25 Denver (DEN) 15:40 Tokyo Narita (NRT) 1
UA 143 Non-stop Boeing 787-9 (789) 12:15 Effective from 2026-10-24
The flight arrives 1 day after departure.
Wed,Sat 16:55 Tokyo Narita (NRT) 1 21:45 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:50 Effective 2026-04-01 through 2026-05-20
Wed,Sat 16:55 Tokyo Narita (NRT) 1 21:35 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-05-23 through 2026-09-05
Wed,Sat 16:55 Tokyo Narita (NRT) 1 21:40 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:45 Effective 2026-09-09 through 2026-10-24
Wed,Sat 17:40 Tokyo Narita (NRT) 1 22:35 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:55 Effective from 2026-10-28
Wed,Sat 17:55 Tokyo Narita (NRT) 1 22:50 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:55 Valid until 2026-01-31
Wed,Sat 17:55 Tokyo Narita (NRT) 1 22:50 Koror (ROR)
UA 143 Non-stop Boeing 737-800 (738) 4:55 Effective 2026-02-07 through 2026-03-28
Non-Direct Flights:
Tue,Fri 11:25 Denver (DEN) 22:50 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:25 Valid until 2026-01-30
The flight arrives 1 day after departure.
Tue,Fri 11:25 Denver (DEN) 22:50 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:25 Effective 2026-02-06 through 2026-03-06
The flight arrives 1 day after departure.
Tue,Fri 11:25 Denver (DEN) 21:40 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:15 Effective 2026-09-08 through 2026-10-23
The flight arrives 1 day after departure.
Tue,Fri 11:35 Denver (DEN) 21:45 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:10 Effective 2026-03-31 through 2026-05-19
The flight arrives 1 day after departure.
Tue,Fri 11:40 Denver (DEN) 21:35 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 18:55 Effective 2026-05-22 through 2026-09-04
The flight arrives 1 day after departure.
Tue,Fri 12:25 Denver (DEN) 22:50 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:25 Effective 2026-03-10 through 2026-03-27
The flight arrives 1 day after departure.
Tue,Fri 12:25 Denver (DEN) 22:35 Koror (ROR)
UA 143 1-stop Boeing 787-9 (789) 19:10 Effective from 2026-10-27
The flight arrives 1 day after departure.


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United Airlines flight UA 143:
Denver - Koror via Tokyo Narita
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA143
10:15
Denver (DEN)

14:35(+1)
Tokyo Narita (NRT) 1
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 12:20, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

15:40(+1)
Tokyo Narita (NRT) 1
Valid until 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:15, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

15:40(+1)
Tokyo Narita (NRT) 1
Effective 2026-02-04 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:15, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

14:45(+1)
Tokyo Narita (NRT) 1
Effective 2026-09-08 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:20, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
11:35
Denver (DEN)

14:45(+1)
Tokyo Narita (NRT) 1
Effective 2026-03-28 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:10, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
11:40
Denver (DEN)

14:30(+1)
Tokyo Narita (NRT) 1
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:50, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
12:25
Denver (DEN)

15:40(+1)
Tokyo Narita (NRT) 1
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:15, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
12:25
Denver (DEN)

15:40(+1)
Tokyo Narita (NRT) 1
Effective from 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:15, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA143
16:55
Tokyo Narita (NRT) 1

21:45
Koror (ROR)
Effective 2026-04-01 through 2026-05-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA143
16:55
Tokyo Narita (NRT) 1

21:35
Koror (ROR)
Effective 2026-05-23 through 2026-09-05
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA143
16:55
Tokyo Narita (NRT) 1

21:40
Koror (ROR)
Effective 2026-09-09 through 2026-10-24
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:45, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA143
17:40
Tokyo Narita (NRT) 1

22:35
Koror (ROR)
Effective from 2026-10-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA143
17:55
Tokyo Narita (NRT) 1

22:50
Koror (ROR)
Valid until 2026-01-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA143
17:55
Tokyo Narita (NRT) 1

22:50
Koror (ROR)
Effective 2026-02-07 through 2026-03-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

22:50(+1)
Koror (ROR)
Valid until 2026-01-30
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:25, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

22:50(+1)
Koror (ROR)
Effective 2026-02-06 through 2026-03-06
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:25, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
11:25
Denver (DEN)

21:40(+1)
Koror (ROR)
Effective 2026-09-08 through 2026-10-23
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:15, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
11:35
Denver (DEN)

21:45(+1)
Koror (ROR)
Effective 2026-03-31 through 2026-05-19
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:10, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
11:40
Denver (DEN)

21:35(+1)
Koror (ROR)
Effective 2026-05-22 through 2026-09-04
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 18:55, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
12:25
Denver (DEN)

22:50(+1)
Koror (ROR)
Effective 2026-03-10 through 2026-03-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:25, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA143
12:25
Denver (DEN)

22:35(+1)
Koror (ROR)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 19:10, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
  • UA 143 is an international flight departing from Denver airport, United States (DEN) and arriving at Koror airport, Palau (ROR).
  • The flight runs via Tokyo Narita (NRT).
  • The flight distance is 7450 miles, or 11990 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC+9 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
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