United Airlines flight UA 1645: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Wed,Fri-Sun 06:00 Cleveland (CLE) 08:32 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:32 Valid until 2026-01-05
Tue 06:00 Cleveland (CLE) 08:26 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-800 (738) 3:26 Operates only on 2026-01-06
Mon,Wed,Fri 06:00 Cleveland (CLE) 08:32 Houston George Bush (IAH) C
UA 1645 Non-stop Airbus A319 (319) 3:32 Effective 2026-01-07 through 2026-02-02
Tue,Thu,Sun 06:00 Cleveland (CLE) 08:30 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-01-08 through 2026-02-10
Sat 06:00 Cleveland (CLE) 08:30 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-900 (739) 3:30 Effective 2026-01-10 through 2026-02-07
Mon,Wed,Fri 06:00 Cleveland (CLE) 08:32 Houston George Bush (IAH) C
UA 1645 Non-stop Airbus A319 (319) 3:32 Effective 2026-02-06 through 2026-02-11
Mon,Wed-Sat 06:00 Cleveland (CLE) 08:26 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:26 Effective 2026-02-12 through 2026-02-19
Fri,Sun 06:00 Cleveland (CLE) 08:26 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:26 Effective 2026-02-15 through 2026-03-01
Tue 06:00 Cleveland (CLE) 08:24 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:24 Operates only on 2026-02-17
Mon,Wed,Thu,Sat 06:00 Cleveland (CLE) 08:26 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:26 Effective 2026-02-21 through 2026-03-04
Tue 06:00 Cleveland (CLE) 08:23 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:23 Operates only on 2026-02-24
Tue 06:00 Cleveland (CLE) 08:26 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:26 Operates only on 2026-03-03
Daily 06:00 Cleveland (CLE) 08:25 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-700 (73G) 3:25 Effective 2026-03-05 through 2026-03-28
Daily 06:00 Cleveland (CLE) 08:16 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:16 Effective 2026-03-29 through 2026-04-29
Daily 06:15 Cleveland (CLE) 08:31 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-800 (738) 3:16 Effective 2026-04-30 through 2026-05-20
Daily 06:15 Cleveland (CLE) 08:11 Houston George Bush (IAH) C
UA 1645 Non-stop Boeing 737-800 (738) 2:56 Effective from 2026-09-08
Thu 12:00 Traverse City (TVC) 12:35 Chicago O'Hare (ORD) 1
UA 1645 Non-stop Airbus A319 (319) 1:35 Operates only on 2026-01-01
Daily 12:00 San Francisco (SFO) 3 14:35 Honolulu (HNL) 2
UA 1645 Non-stop Boeing 737 MAX 9 (7M9) 5:35 Effective 2026-05-21 through 2026-09-07
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1645: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:32
Houston George Bush (IAH) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:26
Houston George Bush (IAH) C
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:26, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:32
Houston George Bush (IAH) C
Effective 2026-01-07 through 2026-02-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:30
Houston George Bush (IAH) C
Effective 2026-01-08 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:30
Houston George Bush (IAH) C
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:32
Houston George Bush (IAH) C
Effective 2026-02-06 through 2026-02-11
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:26
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:26, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:26
Houston George Bush (IAH) C
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:26, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:24
Houston George Bush (IAH) C
Operates only on 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:24, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:26
Houston George Bush (IAH) C
Effective 2026-02-21 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 3:26, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:23
Houston George Bush (IAH) C
Operates only on 2026-02-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:23, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:26
Houston George Bush (IAH) C
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:26, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:25
Houston George Bush (IAH) C
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1645
06:00
Cleveland (CLE)

08:16
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1645
06:15
Cleveland (CLE)

08:31
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1645
06:15
Cleveland (CLE)

08:11
Houston George Bush (IAH) C
Effective from 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1645
12:00
Traverse City (TVC)

12:35
Chicago O'Hare (ORD) 1
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1645
12:00
San Francisco (SFO) 3

14:35
Honolulu (HNL) 2
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:35, non-stop
Boeing 737 MAX 9 (7M9)
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Parallax here -
This flight number is listed as serving the following routes:
  • Cleveland (CLE) - Houston George Bush (IAH)
  • San Francisco (SFO) - Honolulu (HNL)
  • Traverse City (TVC) - Chicago O'Hare (ORD)
All United Airlines flights
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