United Airlines flight UA 1257: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed,Fri-Sun 06:10 Chicago O'Hare (ORD) 1 10:30 Miami (MIA)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 3:20 Valid until 2026-01-05
Mon,Tue,Thu,Fri,Sun 06:18 Raleigh/Durham (RDU) 2 07:28 Washington Dulles (IAD)
UA 1257 Non-stop Boeing 737-700 (73G) 1:10 Effective 2026-01-06 through 2026-01-18
Mon 06:18 Raleigh/Durham (RDU) 2 07:28 Washington Dulles (IAD)
UA 1257 Non-stop Airbus A319 (319) 1:10 Operates only on 2026-01-19
Mon,Tue,Thu,Fri,Sun 06:18 Raleigh/Durham (RDU) 2 07:28 Washington Dulles (IAD)
UA 1257 Non-stop Boeing 737-700 (73G) 1:10 Effective 2026-01-20 through 2026-02-10
Wed 06:25 Raleigh/Durham (RDU) 2 07:35 Washington Dulles (IAD)
UA 1257 Non-stop Boeing 737-800 (738) 1:10 Operates only on 2026-01-07
Wed,Sat 06:25 Raleigh/Durham (RDU) 2 07:35 Washington Dulles (IAD)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 1:10 Effective 2026-01-10 through 2026-01-31
Wed,Sat 06:25 Raleigh/Durham (RDU) 2 07:35 Washington Dulles (IAD)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 1:10 Effective 2026-02-07 through 2026-02-11
Wed,Thu 07:00 Miami (MIA) 10:30 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 6:30 Effective 2026-03-11 through 2026-03-12
Daily 07:15 Miami (MIA) 10:45 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2026-04-30 through 2026-05-20
Mon,Tue,Thu-Sun 07:23 Miami (MIA) 10:59 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 6:36 Effective 2026-03-05 through 2026-03-10
Daily 07:23 Miami (MIA) 10:59 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 6:36 Effective 2026-03-13 through 2026-03-28
Daily 07:29 Miami (MIA) 10:59 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2026-03-29 through 2026-04-29
Daily 07:29 Miami (MIA) 10:59 San Francisco (SFO) 3
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Effective from 2026-05-21
Mon-Sat 08:15 Washington Dulles (IAD) 09:34 Hartford (BDL)
UA 1257 Non-stop Boeing 737-700 (73G) 1:19 Effective 2026-02-13 through 2026-03-04
Wed 09:00 Newark Liberty, New York (EWR) C 11:40 Atlanta (ATL) N
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-02-04
Daily 12:00 San Francisco (SFO) 3 13:41 San Diego (SAN) 2
UA 1257 Non-stop Boeing 737-900 (739) 1:41 Effective 2026-05-21 through 2026-10-24
Sun 16:30 Nashville (BNA) 19:46 Newark Liberty, New York (EWR) C
UA 1257 Non-stop Boeing 737-700 (73G) 2:16 Operates only on 2026-02-15
Sun 16:30 Nashville (BNA) 19:47 Newark Liberty, New York (EWR) C
UA 1257 Non-stop Airbus A319 (319) 2:17 Operates only on 2026-02-22
Sun 16:30 Nashville (BNA) 19:46 Newark Liberty, New York (EWR) C
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:16 Operates only on 2026-03-01
Non-Direct Flights:
Daily 07:29 Miami (MIA) 13:41 San Diego (SAN) 2
UA 1257 1-stop Boeing 737 MAX 8 (7M8) 9:12 Effective 2026-05-21 through 2026-10-24
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1257: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1257
06:10
Chicago O'Hare (ORD) 1

10:30
Miami (MIA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 3:20, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
06:18
Raleigh/Durham (RDU) 2

07:28
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-01-18
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1257
06:18
Raleigh/Durham (RDU) 2

07:28
Washington Dulles (IAD)
Operates only on 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1257
06:18
Raleigh/Durham (RDU) 2

07:28
Washington Dulles (IAD)
Effective 2026-01-20 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1257
06:25
Raleigh/Durham (RDU) 2

07:35
Washington Dulles (IAD)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1257
06:25
Raleigh/Durham (RDU) 2

07:35
Washington Dulles (IAD)
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
06:25
Raleigh/Durham (RDU) 2

07:35
Washington Dulles (IAD)
Effective 2026-02-07 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
07:00
Miami (MIA)

10:30
San Francisco (SFO) 3
Effective 2026-03-11 through 2026-03-12
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:30, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
07:15
Miami (MIA)

10:45
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1257
07:23
Miami (MIA)

10:59
San Francisco (SFO) 3
Effective 2026-03-05 through 2026-03-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 6:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
07:23
Miami (MIA)

10:59
San Francisco (SFO) 3
Effective 2026-03-13 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1257
07:29
Miami (MIA)

10:59
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1257
07:29
Miami (MIA)

10:59
San Francisco (SFO) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1257
08:15
Washington Dulles (IAD)

09:34
Hartford (BDL)
Effective 2026-02-13 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:19, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1257
09:00
Newark Liberty, New York (EWR) C

11:40
Atlanta (ATL) N
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1257
12:00
San Francisco (SFO) 3

13:41
San Diego (SAN) 2
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1257
16:30
Nashville (BNA)

19:46
Newark Liberty, New York (EWR) C
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1257
16:30
Nashville (BNA)

19:47
Newark Liberty, New York (EWR) C
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:17, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1257
16:30
Nashville (BNA)

19:46
Newark Liberty, New York (EWR) C
Operates only on 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1257
07:29
Miami (MIA)

13:41
San Diego (SAN) 2
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:12, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Miami (MIA)
  • Miami (MIA) - San Diego (SAN)
  • Miami (MIA) - San Francisco (SFO)
  • Nashville (BNA) - Newark Liberty, New York (EWR)
  • Newark Liberty, New York (EWR) - Atlanta (ATL)
  • Raleigh/Durham (RDU) - Washington Dulles (IAD)
  • San Francisco (SFO) - San Diego (SAN)
  • Washington Dulles (IAD) - Hartford (BDL)
All United Airlines flights
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