United Airlines flight UA 343: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 05:00 George Bush, Houston (IAH) C 07:56 Chicago O'Hare (ORD) 1
UA 343 Non-stop Airbus A321neo (32Q) 2:56 Effective 2025-06-26 through 2025-08-18
Daily 05:00 George Bush, Houston (IAH) C 07:53 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737 MAX 9 (7M9) 2:53 Effective 2025-08-19 through 2025-10-25
Daily 05:00 George Bush, Houston (IAH) C 07:40 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737-900 (739) 2:40 Effective 2025-10-26 through 2025-12-01
Daily 05:00 George Bush, Houston (IAH) C 07:40 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737-900 (739) 2:40 Effective 2025-12-18 through 2026-01-05
Thu 07:00 Knoxville (TYS) 07:57 Chicago O'Hare (ORD) 1
UA 343 Non-stop Airbus A319 (319) 1:57 Operates only on 2025-05-01
Daily 07:00 Knoxville (TYS) 07:57 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737-800 (738) 1:57 Effective 2025-05-02 through 2025-05-10
Sun 07:00 Knoxville (TYS) 07:57 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737-900 (739) 1:57 Effective 2025-05-11 through 2025-05-18
Mon,Thu,Sat 07:00 Knoxville (TYS) 07:57 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737 MAX 9 (7M9) 1:57 Effective 2025-05-12 through 2025-05-17
Mon-Wed,Fri 07:00 Knoxville (TYS) 07:57 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737-800 (738) 1:57 Effective 2025-05-13 through 2025-05-21
Daily 07:00 San Antonio (SAT) B 09:50 Chicago O'Hare (ORD) 1
UA 343 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective from 2026-01-06
Daily 09:10 Chicago O'Hare (ORD) 1 11:43 Portland (PDX)
UA 343 Non-stop Airbus A321neo (32Q) 4:33 Effective 2025-06-26 through 2025-07-31
Thu 10:35 Chicago O'Hare (ORD) 1 13:38 San Francisco (SFO) 3
UA 343 Non-stop Boeing 737-900 (739) 5:03 Operates only on 2025-05-01
Daily 10:35 Chicago O'Hare (ORD) 1 13:33 San Francisco (SFO) 3
UA 343 Non-stop Boeing 757-300 (753) 4:58 Effective 2025-05-02 through 2025-05-21
Daily 10:35 Chicago O'Hare (ORD) 1 13:22 San Francisco (SFO) 3
UA 343 Non-stop Airbus A321neo (32Q) 4:47 Effective 2025-05-22 through 2025-06-25
Daily 10:40 Chicago O'Hare (ORD) 1 13:24 San Francisco (SFO) 3
UA 343 Non-stop Airbus A321neo (32Q) 4:44 Effective from 2025-10-26
Daily 10:49 Chicago O'Hare (ORD) 1 13:35 San Francisco (SFO) 3
UA 343 Non-stop Boeing 757-300 (753) 4:46 Effective 2025-08-19 through 2025-10-25
Daily 10:53 Chicago O'Hare (ORD) 1 13:40 San Francisco (SFO) 3
UA 343 Non-stop Airbus A321neo (32Q) 4:47 Effective 2025-08-01 through 2025-08-18
Mon-Thu,Sun 16:12 San Francisco (SFO) 3 18:25 Seattle-Tacoma (SEA)
UA 343 Non-stop Boeing 737-800 (738) 2:13 Effective 2025-05-22 through 2025-06-01
Fri 16:12 San Francisco (SFO) 3 18:25 Seattle-Tacoma (SEA)
UA 343 Non-stop Airbus A319 (319) 2:13 Operates only on 2025-05-23
Mon,Tue,Fri 16:12 San Francisco (SFO) 3 18:25 Seattle-Tacoma (SEA)
UA 343 Non-stop Airbus A319 (319) 2:13 Effective 2025-05-30 through 2025-06-24
Wed,Thu,Sun 16:12 San Francisco (SFO) 3 18:25 Seattle-Tacoma (SEA)
UA 343 Non-stop Boeing 737-800 (738) 2:13 Effective 2025-06-04 through 2025-06-25
Sat 16:19 San Francisco (SFO) 3 18:32 Seattle-Tacoma (SEA)
UA 343 Non-stop Airbus A319 (319) 2:13 Effective 2025-05-24 through 2025-05-31
Wed-Sun 16:31 San Francisco (SFO) 3 17:54 Burbank (BUR)
UA 343 Non-stop Airbus A319 (319) 1:23 Valid until 2025-05-21
Mon,Tue 16:31 San Francisco (SFO) 3 17:54 Burbank (BUR)
UA 343 Non-stop Airbus A320 (320) 1:23 Effective 2025-05-05 through 2025-05-20
Sat 16:35 San Francisco (SFO) 3 18:48 Seattle-Tacoma (SEA)
UA 343 Non-stop Airbus A319 (319) 2:13 Effective 2025-06-07 through 2025-06-21
Non-Direct Flights:
Mon,Thu-Sun 05:00 George Bush, Houston (IAH) C 11:43 Portland (PDX)
UA 343 1-stop Airbus A321neo (32Q) 8:43 Effective 2025-06-26 through 2025-07-31
Mon,Thu-Sun 05:00 George Bush, Houston (IAH) C 13:40 San Francisco (SFO) 3
UA 343 1-stop Airbus A321neo (32Q) 10:40 Effective 2025-08-01 through 2025-08-18
Daily 05:00 George Bush, Houston (IAH) C 13:35 San Francisco (SFO) 3
UA 343 1-stop Boeing 737 MAX 9 (7M9) 10:35 Effective 2025-08-19 through 2025-10-25
Daily 05:00 George Bush, Houston (IAH) C 13:24 San Francisco (SFO) 3
UA 343 1-stop Boeing 737-900 (739) 10:24 Effective 2025-10-26 through 2025-12-01
Daily 05:00 George Bush, Houston (IAH) C 13:24 San Francisco (SFO) 3
UA 343 1-stop Boeing 737-900 (739) 10:24 Effective 2025-12-18 through 2026-01-05
Thu 07:00 Knoxville (TYS) 13:38 San Francisco (SFO) 3
UA 343 1-stop Airbus A319 (319) 9:38 Operates only on 2025-05-01
Daily 07:00 Knoxville (TYS) 13:33 San Francisco (SFO) 3
UA 343 1-stop Boeing 737-800 (738) 9:33 Effective 2025-05-02 through 2025-05-10
Sun 07:00 Knoxville (TYS) 13:33 San Francisco (SFO) 3
UA 343 1-stop Boeing 737-900 (739) 9:33 Effective 2025-05-11 through 2025-05-18
Mon,Thu,Sat 07:00 Knoxville (TYS) 13:33 San Francisco (SFO) 3
UA 343 1-stop Boeing 737 MAX 9 (7M9) 9:33 Effective 2025-05-12 through 2025-05-17
Mon-Wed,Fri 07:00 Knoxville (TYS) 13:33 San Francisco (SFO) 3
UA 343 1-stop Boeing 737-800 (738) 9:33 Effective 2025-05-13 through 2025-05-21
Daily 07:00 San Antonio (SAT) B 13:24 San Francisco (SFO) 3
UA 343 1-stop Boeing 737 MAX 8 (7M8) 8:24 Effective from 2026-01-06
Thu 10:35 Chicago O'Hare (ORD) 1 17:54 Burbank (BUR)
UA 343 1-stop Boeing 737-900 (739) 9:19 Operates only on 2025-05-01
Daily 10:35 Chicago O'Hare (ORD) 1 17:54 Burbank (BUR)
UA 343 1-stop Boeing 757-300 (753) 9:19 Effective 2025-05-02 through 2025-05-21
Mon-Fri,Sun 10:35 Chicago O'Hare (ORD) 1 18:25 Seattle-Tacoma (SEA)
UA 343 1-stop Airbus A321neo (32Q) 9:50 Effective 2025-05-22 through 2025-06-25
Sat 10:35 Chicago O'Hare (ORD) 1 18:32 Seattle-Tacoma (SEA)
UA 343 1-stop Airbus A321neo (32Q) 9:57 Effective 2025-05-24 through 2025-05-31
Sat 10:35 Chicago O'Hare (ORD) 1 18:48 Seattle-Tacoma (SEA)
UA 343 1-stop Airbus A321neo (32Q) 10:13 Effective 2025-06-07 through 2025-06-21
Thu 07:00 Knoxville (TYS) 17:54 Burbank (BUR)
UA 343 2-stop Airbus A319 (319) 13:54 Operates only on 2025-05-01
Daily 07:00 Knoxville (TYS) 17:54 Burbank (BUR)
UA 343 2-stop Boeing 737-800 (738) 13:54 Effective 2025-05-02 through 2025-05-10
Sun 07:00 Knoxville (TYS) 17:54 Burbank (BUR)
UA 343 2-stop Boeing 737-900 (739) 13:54 Effective 2025-05-11 through 2025-05-18
Mon,Thu,Sat 07:00 Knoxville (TYS) 17:54 Burbank (BUR)
UA 343 2-stop Boeing 737 MAX 9 (7M9) 13:54 Effective 2025-05-12 through 2025-05-17
Mon-Wed,Fri 07:00 Knoxville (TYS) 17:54 Burbank (BUR)
UA 343 2-stop Boeing 737-800 (738) 13:54 Effective 2025-05-13 through 2025-05-21
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This flight number is listed as serving the following routes:
United Airlines flight UA 343: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA343
Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA343
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Boeing 737-900 (739)

United Airlines UA343
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:57, non-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-05-02 through 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Boeing 737-800 (738)

United Airlines UA343
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:57, non-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-05-12 through 2025-05-17
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 1:57, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA343
Effective 2025-05-13 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:57, non-stop
Boeing 737-800 (738)

United Airlines UA343
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA343
Effective 2025-06-26 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:33, non-stop
Airbus A321neo (32Q)

United Airlines UA343
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:03, non-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 757-300 (753)

United Airlines UA343
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:47, non-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:46, non-stop
Boeing 757-300 (753)

United Airlines UA343
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:47, non-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-05-22 through 2025-06-01
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737-800 (738)

United Airlines UA343
Operates only on 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-05-30 through 2025-06-24
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-06-04 through 2025-06-25
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737-800 (738)

United Airlines UA343
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Airbus A319 (319)

United Airlines UA343
Valid until 2025-05-21
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-05-05 through 2025-05-20
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:23, non-stop
Airbus A320 (320)

United Airlines UA343
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA343
Effective 2025-06-26 through 2025-07-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 8:43, 1-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-08-01 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 10:40, 1-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:35, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA343
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:24, 1-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:24, 1-stop
Boeing 737-900 (739)

United Airlines UA343
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:38, 1-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-05-02 through 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:33, 1-stop
Boeing 737-800 (738)

United Airlines UA343
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:33, 1-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-05-12 through 2025-05-17
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 9:33, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA343
Effective 2025-05-13 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 9:33, 1-stop
Boeing 737-800 (738)

United Airlines UA343
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:24, 1-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA343
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:19, 1-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:19, 1-stop
Boeing 757-300 (753)

United Airlines UA343
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:50, 1-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:57, 1-stop
Airbus A321neo (32Q)

United Airlines UA343
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 10:13, 1-stop
Airbus A321neo (32Q)

United Airlines UA343
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 13:54, 2-stop
Airbus A319 (319)

United Airlines UA343
Effective 2025-05-02 through 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:54, 2-stop
Boeing 737-800 (738)

United Airlines UA343
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 13:54, 2-stop
Boeing 737-900 (739)

United Airlines UA343
Effective 2025-05-12 through 2025-05-17
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 13:54, 2-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA343
Effective 2025-05-13 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 13:54, 2-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Burbank (BUR)
  • Chicago O'Hare (ORD) - Portland (PDX)
  • Chicago O'Hare (ORD) - San Francisco (SFO)
  • Chicago O'Hare (ORD) - Seattle-Tacoma (SEA)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • George Bush, Houston (IAH) - Portland (PDX)
  • George Bush, Houston (IAH) - San Francisco (SFO)
  • Knoxville (TYS) - Burbank (BUR)
  • Knoxville (TYS) - Chicago O'Hare (ORD)
  • Knoxville (TYS) - San Francisco (SFO)
  • San Antonio (SAT) - Chicago O'Hare (ORD)
  • San Antonio (SAT) - San Francisco (SFO)
  • San Francisco (SFO) - Burbank (BUR)
  • San Francisco (SFO) - Seattle-Tacoma (SEA)