United Airlines flight UA 643: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 13:25 Denver (DEN) 14:28 Montrose (MTJ)
UA 643 Non-stop Airbus A319 (319) 1:03 Valid until 2024-09-20
Mon,Wed,Thu,Sun 13:27 Denver (DEN) 14:30 Montrose (MTJ)
UA 643 Non-stop Airbus A320 (320) 1:03 Valid until 2024-09-02
Mon-Thu,Sat,Sun 13:27 Denver (DEN) 14:30 Montrose (MTJ)
UA 643 Non-stop Airbus A319 (319) 1:03 Effective 2024-09-03 through 2024-09-25
Sat 14:30 Milwaukee (MKE) 16:16 Denver (DEN)
UA 643 Non-stop Airbus A319 (319) 2:46 Effective 2024-11-23 through 2024-11-30
Mon,Thu-Sun 14:45 Newark Liberty, New York (EWR) C 17:45 San Francisco (SFO) 3
UA 643 Non-stop Boeing 777 (777) 6:00 Effective 2024-09-26 through 2024-09-30
Mon,Thu-Sun 16:37 Denver (DEN) 18:40 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-800 (738) 2:03 Effective 2024-12-19 through 2024-12-30
Mon,Wed-Sun 16:37 Denver (DEN) 18:40 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-800 (738) 2:03 Effective 2025-01-01 through 2025-01-06
Tue,Sat 17:00 Indianapolis (IND) 18:00 Denver (DEN)
UA 643 Non-stop Boeing 737-900 (739) 3:00 Effective 2024-10-29 through 2024-11-19
Thu 17:00 Indianapolis (IND) 18:00 Denver (DEN)
UA 643 Non-stop Airbus A319 (319) 3:00 Operates only on 2024-10-31
Mon,Wed,Sun 17:50 Denver (DEN) 18:51 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-10-27 through 2024-10-30
Wed-Fri,Sun 17:50 Denver (DEN) 19:51 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-11-03 through 2024-11-10
Mon,Wed-Fri,Sun 17:50 Denver (DEN) 19:51 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-11-11 through 2024-11-24
Sat 17:50 Denver (DEN) 19:51 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-11-23 through 2024-11-30
Mon-Wed,Fri,Sun 17:50 Denver (DEN) 19:51 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-11-26 through 2024-12-02
Mon-Fri,Sun 17:56 Denver (DEN) 19:57 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-900 (739) 2:01 Effective 2024-12-03 through 2024-12-18
Daily 17:56 Denver (DEN) 19:58 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737 MAX 8 (7M8) 2:02 Effective 2025-01-07 through 2025-02-12
Daily 17:58 Denver (DEN) 20:04 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-800 (738) 2:06 Effective 2025-02-13 through 2025-03-08
Daily 17:58 Denver (DEN) 19:04 Phoenix Sky Harbor (PHX) 3
UA 643 Non-stop Boeing 737-800 (738) 2:06 Effective from 2025-03-09
Daily 18:00 Newark Liberty, New York (EWR) C 21:17 San Francisco (SFO) 3
UA 643 Non-stop Boeing 757-200 (752) 6:17 Effective 2024-10-01 through 2024-10-25
Sat 18:00 Newark Liberty, New York (EWR) C 21:01 San Francisco (SFO) 3
UA 643 Non-stop Boeing 777 (777) 6:01 Operates only on 2024-10-26
Non-Direct Flights:
Sat 14:30 Milwaukee (MKE) 19:51 Phoenix Sky Harbor (PHX) 3
UA 643 1-stop Airbus A319 (319) 6:21 Effective 2024-11-23 through 2024-11-30
This flight number is listed as serving the following routes:


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United Airlines flight UA 643: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA643
13:25
Denver (DEN)

14:28
Montrose (MTJ)
Valid until 2024-09-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:03, non-stop
Airbus A319 (319)
United Airlines UA643
13:27
Denver (DEN)

14:30
Montrose (MTJ)
Valid until 2024-09-02
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:03, non-stop
Airbus A320 (320)
United Airlines UA643
13:27
Denver (DEN)

14:30
Montrose (MTJ)
Effective 2024-09-03 through 2024-09-25
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:03, non-stop
Airbus A319 (319)
United Airlines UA643
14:30
Milwaukee (MKE)

16:16
Denver (DEN)
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:46, non-stop
Airbus A319 (319)
United Airlines UA643
14:45
Newark Liberty, New York (EWR) C

17:45
San Francisco (SFO) 3
Effective 2024-09-26 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 6:00, non-stop
Boeing 777 (777)
United Airlines UA643
16:37
Denver (DEN)

18:40
Phoenix Sky Harbor (PHX) 3
Effective 2024-12-19 through 2024-12-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Boeing 737-800 (738)
United Airlines UA643
16:37
Denver (DEN)

18:40
Phoenix Sky Harbor (PHX) 3
Effective 2025-01-01 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Boeing 737-800 (738)
United Airlines UA643
17:00
Indianapolis (IND)

18:00
Denver (DEN)
Effective 2024-10-29 through 2024-11-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:00
Indianapolis (IND)

18:00
Denver (DEN)
Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Airbus A319 (319)
United Airlines UA643
17:50
Denver (DEN)

18:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-10-27 through 2024-10-30
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:50
Denver (DEN)

19:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-11-03 through 2024-11-10
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:50
Denver (DEN)

19:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-11-11 through 2024-11-24
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:50
Denver (DEN)

19:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:50
Denver (DEN)

19:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-11-26 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:56
Denver (DEN)

19:57
Phoenix Sky Harbor (PHX) 3
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:01, non-stop
Boeing 737-900 (739)
United Airlines UA643
17:56
Denver (DEN)

19:58
Phoenix Sky Harbor (PHX) 3
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA643
17:58
Denver (DEN)

20:04
Phoenix Sky Harbor (PHX) 3
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Boeing 737-800 (738)
United Airlines UA643
17:58
Denver (DEN)

19:04
Phoenix Sky Harbor (PHX) 3
Effective from 2025-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Boeing 737-800 (738)
United Airlines UA643
18:00
Newark Liberty, New York (EWR) C

21:17
San Francisco (SFO) 3
Effective 2024-10-01 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:17, non-stop
Boeing 757-200 (752)
United Airlines UA643
18:00
Newark Liberty, New York (EWR) C

21:01
San Francisco (SFO) 3
Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:01, non-stop
Boeing 777 (777)
Non-Direct Flights:
United Airlines UA643
14:30
Milwaukee (MKE)

19:51
Phoenix Sky Harbor (PHX) 3
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:21, 1-stop
Airbus A319 (319)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Montrose (MTJ)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • Indianapolis (IND) - Denver (DEN)
  • Milwaukee (MKE) - Denver (DEN)
  • Milwaukee (MKE) - Phoenix Sky Harbor (PHX)
  • Newark Liberty, New York (EWR) - San Francisco (SFO)
All United Airlines flights
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