United Airlines flight UA 512: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Thu 00:24 San Francisco (SFO) 3 06:15 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 777 (777) 3:51 Operates only on 2025-06-26
Tue 00:24 San Francisco (SFO) 3 06:25 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Operates only on 2025-08-19
Daily 00:30 San Francisco (SFO) 3 06:30 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-06-27 through 2025-07-04
Daily 00:30 San Francisco (SFO) 3 06:30 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-07-06 through 2025-08-18
Daily 00:32 San Francisco (SFO) 3 06:20 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Effective 2025-10-26 through 2025-11-01
Sun 00:32 San Francisco (SFO) 3 05:20 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Operates only on 2025-11-02
Daily 00:32 San Francisco (SFO) 3 06:20 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Effective 2025-11-03 through 2026-01-05
Daily 00:32 San Francisco (SFO) 3 06:20 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Effective from 2026-02-12
Sun 00:39 San Francisco (SFO) 3 06:40 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 737-900 (739) 4:01 Effective 2025-05-25 through 2025-06-22
Daily 00:43 San Francisco (SFO) 3 06:32 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 777 (777) 3:49 Valid until 2025-05-21
Mon-Sat 00:43 San Francisco (SFO) 3 06:33 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 777 (777) 3:50 Effective 2025-05-22 through 2025-06-25
Daily 00:43 San Francisco (SFO) 3 06:31 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 777 (777) 3:48 Effective 2025-08-20 through 2025-09-24
Daily 00:43 San Francisco (SFO) 3 06:30 George Bush, Houston (IAH) C
UA 512 Non-stop Boeing 777 (777) 3:47 Effective 2025-09-25 through 2025-10-25
Mon,Wed-Fri,Sun 07:20 George Bush, Houston (IAH) C 10:35 Jacksonville (JAX)
UA 512 Non-stop Boeing 737 MAX 9 (7M9) 2:15 Valid until 2025-05-19
Sat 07:20 George Bush, Houston (IAH) C 10:35 Jacksonville (JAX)
UA 512 Non-stop Boeing 737-800 (738) 2:15 Effective 2025-05-03 through 2025-05-17
Tue 07:20 George Bush, Houston (IAH) C 10:35 Jacksonville (JAX)
UA 512 Non-stop Boeing 737-900 (739) 2:15 Effective 2025-05-06 through 2025-05-20
Wed 07:20 George Bush, Houston (IAH) C 10:35 Jacksonville (JAX)
UA 512 Non-stop Boeing 737-800 (738) 2:15 Operates only on 2025-05-21
Daily 07:35 George Bush, Houston (IAH) C 11:46 Ronald Reagan Washington (DCA) 2
UA 512 Non-stop Airbus A320 (320) 3:11 Effective 2025-06-26 through 2025-08-18
Sun 07:40 George Bush, Houston (IAH) C 10:36 Chicago O'Hare (ORD) 1
UA 512 Non-stop Boeing 737-900 (739) 2:56 Operates only on 2025-05-25
Sun 07:40 George Bush, Houston (IAH) C 10:36 Chicago O'Hare (ORD) 1
UA 512 Non-stop Boeing 737-800 (738) 2:56 Operates only on 2025-06-01
Sun 07:40 George Bush, Houston (IAH) C 10:36 Chicago O'Hare (ORD) 1
UA 512 Non-stop Airbus A321neo (32Q) 2:56 Effective 2025-06-08 through 2025-06-22
Mon-Sat 08:00 George Bush, Houston (IAH) C 10:56 Chicago O'Hare (ORD) 1
UA 512 Non-stop Boeing 737-900 (739) 2:56 Effective 2025-05-22 through 2025-06-25
Thu 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Airbus A319 (319) 2:09 Operates only on 2025-05-22
Mon,Wed,Fri,Sun 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737-700 (73G) 2:09 Effective 2025-05-23 through 2025-06-02
Sat 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Airbus A320 (320) 2:09 Effective 2025-05-24 through 2025-06-21
Tue,Thu 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737 MAX 8 (7M8) 2:09 Effective 2025-05-27 through 2025-06-03
Wed-Fri 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737 MAX 8 (7M8) 2:09 Effective 2025-06-04 through 2025-06-06
Sun 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Airbus A319 (319) 2:09 Effective 2025-06-08 through 2025-06-22
Mon,Tue,Thu,Fri 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737-700 (73G) 2:09 Effective 2025-06-09 through 2025-06-24
Wed 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737 MAX 8 (7M8) 2:09 Operates only on 2025-06-18
Wed 14:23 Chicago O'Hare (ORD) 1 17:32 Atlanta (ATL) N
UA 512 Non-stop Boeing 737-800 (738) 2:09 Operates only on 2025-06-25
Non-Direct Flights:
Thu 00:24 San Francisco (SFO) 3 11:46 Ronald Reagan Washington (DCA) 2
UA 512 1-stop Boeing 777 (777) 8:22 Operates only on 2025-06-26
Daily 00:30 San Francisco (SFO) 3 11:46 Ronald Reagan Washington (DCA) 2
UA 512 1-stop Boeing 737 MAX 9 (7M9) 8:16 Effective 2025-06-27 through 2025-07-04
Daily 00:30 San Francisco (SFO) 3 11:46 Ronald Reagan Washington (DCA) 2
UA 512 1-stop Boeing 737 MAX 9 (7M9) 8:16 Effective 2025-07-06 through 2025-08-18
Sun 00:39 San Francisco (SFO) 3 10:36 Chicago O'Hare (ORD) 1
UA 512 1-stop Boeing 737-900 (739) 7:57 Effective 2025-05-25 through 2025-06-22
Daily 00:43 San Francisco (SFO) 3 10:35 Jacksonville (JAX)
UA 512 1-stop Boeing 777 (777) 6:52 Valid until 2025-05-21
Mon-Sat 00:43 San Francisco (SFO) 3 10:56 Chicago O'Hare (ORD) 1
UA 512 1-stop Boeing 777 (777) 8:13 Effective 2025-05-22 through 2025-06-25
Sun 07:40 George Bush, Houston (IAH) C 17:32 Atlanta (ATL) N
UA 512 1-stop Boeing 737-900 (739) 8:52 Operates only on 2025-05-25
Sun 07:40 George Bush, Houston (IAH) C 17:32 Atlanta (ATL) N
UA 512 1-stop Boeing 737-800 (738) 8:52 Operates only on 2025-06-01
Sun 07:40 George Bush, Houston (IAH) C 17:32 Atlanta (ATL) N
UA 512 1-stop Airbus A321neo (32Q) 8:52 Effective 2025-06-08 through 2025-06-22
Mon-Sat 08:00 George Bush, Houston (IAH) C 17:32 Atlanta (ATL) N
UA 512 1-stop Boeing 737-900 (739) 8:32 Effective 2025-05-22 through 2025-06-10
Mon-Sat 08:00 George Bush, Houston (IAH) C 17:32 Atlanta (ATL) N
UA 512 1-stop Boeing 737-900 (739) 8:32 Effective 2025-06-12 through 2025-06-25
Sun 00:39 San Francisco (SFO) 3 17:32 Atlanta (ATL) N
UA 512 2-stop Boeing 737-900 (739) 13:53 Effective 2025-05-25 through 2025-06-22
Mon-Sat 00:43 San Francisco (SFO) 3 17:32 Atlanta (ATL) N
UA 512 2-stop Boeing 777 (777) 13:49 Effective 2025-05-22 through 2025-06-10
Mon-Sat 00:43 San Francisco (SFO) 3 17:32 Atlanta (ATL) N
UA 512 2-stop Boeing 777 (777) 13:49 Effective 2025-06-12 through 2025-06-25
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This flight number is listed as serving the following routes:
United Airlines flight UA 512: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA512
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:51, non-stop
Boeing 777 (777)

United Airlines UA512
Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-06-27 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Operates only on 2025-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-11-03 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-05-25 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:01, non-stop
Boeing 737-900 (739)

United Airlines UA512
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:49, non-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-08-20 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Boeing 777 (777)

United Airlines UA512
Valid until 2025-05-19
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (738)

United Airlines UA512
Effective 2025-05-06 through 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-900 (739)

United Airlines UA512
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (738)

United Airlines UA512
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A320 (320)

United Airlines UA512
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:56, non-stop
Boeing 737-900 (739)

United Airlines UA512
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:56, non-stop
Boeing 737-800 (738)

United Airlines UA512
Effective 2025-06-08 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:56, non-stop
Airbus A321neo (32Q)

United Airlines UA512
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:56, non-stop
Boeing 737-900 (739)

United Airlines UA512
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Airbus A319 (319)

United Airlines UA512
Effective 2025-05-23 through 2025-06-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:09, non-stop
Boeing 737-700 (73G)

United Airlines UA512
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:09, non-stop
Airbus A320 (320)

United Airlines UA512
Effective 2025-05-27 through 2025-06-03
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA512
Effective 2025-06-04 through 2025-06-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:09, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA512
Effective 2025-06-08 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:09, non-stop
Airbus A319 (319)

United Airlines UA512
Effective 2025-06-09 through 2025-06-24
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:09, non-stop
Boeing 737-700 (73G)

United Airlines UA512
Operates only on 2025-06-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA512
Operates only on 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA512
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 8:22, 1-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-06-27 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:16, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:16, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA512
Effective 2025-05-25 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:57, 1-stop
Boeing 737-900 (739)

United Airlines UA512
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:52, 1-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 8:13, 1-stop
Boeing 777 (777)

United Airlines UA512
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:52, 1-stop
Boeing 737-900 (739)

United Airlines UA512
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:52, 1-stop
Boeing 737-800 (738)

United Airlines UA512
Effective 2025-06-08 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:52, 1-stop
Airbus A321neo (32Q)

United Airlines UA512
Effective 2025-05-22 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 8:32, 1-stop
Boeing 737-900 (739)

United Airlines UA512
Effective 2025-06-12 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 8:32, 1-stop
Boeing 737-900 (739)

United Airlines UA512
Effective 2025-05-25 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 13:53, 2-stop
Boeing 737-900 (739)

United Airlines UA512
Effective 2025-05-22 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 13:49, 2-stop
Boeing 777 (777)

United Airlines UA512
Effective 2025-06-12 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 13:49, 2-stop
Boeing 777 (777)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here -
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Atlanta (ATL)
  • George Bush, Houston (IAH) - Atlanta (ATL)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • George Bush, Houston (IAH) - Jacksonville (JAX)
  • George Bush, Houston (IAH) - Ronald Reagan Washington (DCA)
  • San Francisco (SFO) - Atlanta (ATL)
  • San Francisco (SFO) - Chicago O'Hare (ORD)
  • San Francisco (SFO) - George Bush, Houston (IAH)
  • San Francisco (SFO) - Jacksonville (JAX)
  • San Francisco (SFO) - Ronald Reagan Washington (DCA)