United Airlines flight UA 556: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 15:15 Austin (AUS) 17:06 San Francisco (SFO) 3
UA 556 Non-stop Boeing 737-800 (738) 3:51 Effective 2024-09-26 through 2024-10-26
Daily 15:25 San Diego (SAN) 2 20:32 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-900 (739) 3:07 Effective 2024-10-27 through 2024-11-27
Mon,Fri-Sun 15:25 San Diego (SAN) 2 20:32 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-900 (739) 3:07 Effective 2024-11-29 through 2024-12-02
Mon-Fri,Sun 15:25 San Diego (SAN) 2 20:32 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Effective 2024-12-03 through 2024-12-18
Daily 15:25 San Diego (SAN) 2 20:37 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-900 (739) 3:12 Effective 2025-01-07 through 2025-02-12
Daily 15:30 San Diego (SAN) 2 20:40 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-900 (739) 3:10 Effective from 2025-02-13
Mon,Thu,Fri 17:16 San Diego (SAN) 2 22:29 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-800 (738) 3:13 Effective 2024-12-19 through 2024-12-30
Mon,Wed-Fri 17:16 San Diego (SAN) 2 22:29 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-800 (738) 3:13 Effective 2025-01-01 through 2025-01-06
Sun 17:22 San Diego (SAN) 2 22:35 George Bush, Houston (IAH) C
UA 556 Non-stop Boeing 737-800 (738) 3:13 Effective 2024-12-22 through 2025-01-05
Daily 19:10 Boise (BOI) 19:58 San Francisco (SFO) 3
UA 556 Non-stop Boeing 737-800 (738) 1:48 Valid until 2024-09-25
Mon-Fri,Sun 21:30 George Bush, Houston (IAH) C 23:59 Chicago O'Hare (ORD) 1
UA 556 Non-stop Boeing 737-900 (739) 2:29 Effective 2024-10-27 through 2024-11-27
Sat 21:30 George Bush, Houston (IAH) C 23:59 Chicago O'Hare (ORD) 1
UA 556 Non-stop Boeing 737-800 (738) 2:29 Effective 2024-11-23 through 2024-11-30
Fri,Sun 21:30 George Bush, Houston (IAH) C 23:59 Chicago O'Hare (ORD) 1
UA 556 Non-stop Boeing 737-900 (739) 2:29 Effective 2024-11-29 through 2024-12-01
Mon 21:30 George Bush, Houston (IAH) C 23:59 Chicago O'Hare (ORD) 1
UA 556 Non-stop Boeing 737 MAX 9 (7M9) 2:29 Operates only on 2024-12-02
Non-Direct Flights:
Mon-Fri,Sun 15:25 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 1
UA 556 1-stop Boeing 737-900 (739) 6:34 Effective 2024-10-27 through 2024-11-22
Mon-Wed,Fri-Sun 15:25 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 1
UA 556 1-stop Boeing 737-900 (739) 6:34 Effective 2024-11-23 through 2024-12-02
This flight number is listed as serving the following routes:


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United Airlines flight UA 556: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA556
15:15
Austin (AUS)

17:06
San Francisco (SFO) 3
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:51, non-stop
Boeing 737-800 (738)
United Airlines UA556
15:25
San Diego (SAN) 2

20:32
George Bush, Houston (IAH) C
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Boeing 737-900 (739)
United Airlines UA556
15:25
San Diego (SAN) 2

20:32
George Bush, Houston (IAH) C
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:07, non-stop
Boeing 737-900 (739)
United Airlines UA556
15:25
San Diego (SAN) 2

20:32
George Bush, Houston (IAH) C
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:07, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA556
15:25
San Diego (SAN) 2

20:37
George Bush, Houston (IAH) C
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Boeing 737-900 (739)
United Airlines UA556
15:30
San Diego (SAN) 2

20:40
George Bush, Houston (IAH) C
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-900 (739)
United Airlines UA556
17:16
San Diego (SAN) 2

22:29
George Bush, Houston (IAH) C
Effective 2024-12-19 through 2024-12-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:13, non-stop
Boeing 737-800 (738)
United Airlines UA556
17:16
San Diego (SAN) 2

22:29
George Bush, Houston (IAH) C
Effective 2025-01-01 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:13, non-stop
Boeing 737-800 (738)
United Airlines UA556
17:22
San Diego (SAN) 2

22:35
George Bush, Houston (IAH) C
Effective 2024-12-22 through 2025-01-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:13, non-stop
Boeing 737-800 (738)
United Airlines UA556
19:10
Boise (BOI)

19:58
San Francisco (SFO) 3
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Boeing 737-800 (738)
United Airlines UA556
21:30
George Bush, Houston (IAH) C

23:59
Chicago O'Hare (ORD) 1
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:29, non-stop
Boeing 737-900 (739)
United Airlines UA556
21:30
George Bush, Houston (IAH) C

23:59
Chicago O'Hare (ORD) 1
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:29, non-stop
Boeing 737-800 (738)
United Airlines UA556
21:30
George Bush, Houston (IAH) C

23:59
Chicago O'Hare (ORD) 1
Effective 2024-11-29 through 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:29, non-stop
Boeing 737-900 (739)
United Airlines UA556
21:30
George Bush, Houston (IAH) C

23:59
Chicago O'Hare (ORD) 1
Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA556
15:25
San Diego (SAN) 2

23:59
Chicago O'Hare (ORD) 1
Effective 2024-10-27 through 2024-11-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:34, 1-stop
Boeing 737-900 (739)
United Airlines UA556
15:25
San Diego (SAN) 2

23:59
Chicago O'Hare (ORD) 1
Effective 2024-11-23 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 6:34, 1-stop
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
  • Austin (AUS) - San Francisco (SFO)
  • Boise (BOI) - San Francisco (SFO)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • San Diego (SAN) - Chicago O'Hare (ORD)
  • San Diego (SAN) - George Bush, Houston (IAH)
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