United Airlines flight UA 2643: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu,Sun 06:40 Salt Lake City (SLC) 08:31 Denver (DEN)
UA 2643 Non-stop Boeing 737-800 (738) 1:51 Valid until 2026-01-05
Wed,Fri,Sat 06:40 Salt Lake City (SLC) 08:31 Denver (DEN)
UA 2643 Non-stop Airbus A319 (319) 1:51 Valid until 2026-01-03
Daily 06:55 Houston George Bush (IAH) C 08:20 Denver (DEN)
UA 2643 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-04-30 through 2026-05-20
Daily 07:00 Salt Lake City (SLC) 08:51 Denver (DEN)
UA 2643 Non-stop Boeing 737-800 (738) 1:51 Effective 2026-01-06 through 2026-02-11
Daily 07:05 Houston George Bush (IAH) C 08:43 Denver (DEN)
UA 2643 Non-stop Airbus A321neo (32Q) 2:38 Effective 2026-03-29 through 2026-04-29
Daily 07:30 Houston George Bush (IAH) C 08:55 Denver (DEN)
UA 2643 Non-stop Boeing 737-900 (739) 2:25 Effective from 2026-05-21
Daily 09:50 Denver (DEN) 15:38 Hartford (BDL)
UA 2643 Non-stop Boeing 737-800 (738) 3:48 Effective from 2026-03-29
Daily 09:54 Denver (DEN) 15:41 Hartford (BDL)
UA 2643 Non-stop Boeing 737-800 (738) 3:47 Effective 2026-02-12 through 2026-03-04
Mon-Fri 09:56 Denver (DEN) 15:42 Hartford (BDL)
UA 2643 Non-stop Boeing 737-800 (738) 3:46 Effective 2026-03-05 through 2026-03-27
Sat,Sun 10:10 Denver (DEN) 15:56 Hartford (BDL)
UA 2643 Non-stop Boeing 737-800 (738) 3:46 Effective 2026-03-07 through 2026-03-28
Non-Direct Flights:
Daily 06:55 Houston George Bush (IAH) C 15:38 Hartford (BDL)
UA 2643 1-stop Airbus A321neo (32Q) 7:43 Effective 2026-04-30 through 2026-05-20
Daily 07:05 Houston George Bush (IAH) C 15:38 Hartford (BDL)
UA 2643 1-stop Airbus A321neo (32Q) 7:33 Effective 2026-03-29 through 2026-04-29
Daily 07:30 Houston George Bush (IAH) C 15:38 Hartford (BDL)
UA 2643 1-stop Boeing 737-900 (739) 7:08 Effective from 2026-05-21
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This flight number is listed as serving the following routes:


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United Airlines flight UA 2643: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2643
06:40
Salt Lake City (SLC)

08:31
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:51, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2643
06:40
Salt Lake City (SLC)

08:31
Denver (DEN)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:51, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2643
06:55
Houston George Bush (IAH) C

08:20
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA2643
07:00
Salt Lake City (SLC)

08:51
Denver (DEN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2643
07:05
Houston George Bush (IAH) C

08:43
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA2643
07:30
Houston George Bush (IAH) C

08:55
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2643
09:50
Denver (DEN)

15:38
Hartford (BDL)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2643
09:54
Denver (DEN)

15:41
Hartford (BDL)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2643
09:56
Denver (DEN)

15:42
Hartford (BDL)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:46, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2643
10:10
Denver (DEN)

15:56
Hartford (BDL)
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:46, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2643
06:55
Houston George Bush (IAH) C

15:38
Hartford (BDL)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:43, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA2643
07:05
Houston George Bush (IAH) C

15:38
Hartford (BDL)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:33, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA2643
07:30
Houston George Bush (IAH) C

15:38
Hartford (BDL)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:08, 1-stop
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
  • Denver (DEN) - Hartford (BDL)
  • Houston George Bush (IAH) - Denver (DEN)
  • Houston George Bush (IAH) - Hartford (BDL)
  • Salt Lake City (SLC) - Denver (DEN)
All United Airlines flights
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