United Airlines flight UA 2129: San Diego - Washington Dulles

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 21:30 San Diego (SAN) 2 05:19 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737-900 (739) 4:49 Valid until 2026-01-04
The flight arrives 1 day after departure.
Mon 21:30 San Diego (SAN) 2 05:19 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737-800 (738) 4:49 Operates only on 2026-01-05
The flight arrives 1 day after departure.
Daily 21:35 San Diego (SAN) 2 05:33 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2026-03-29 through 2026-04-29
The flight arrives 1 day after departure.
Daily 21:55 San Diego (SAN) 2 05:53 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737-900 (739) 4:58 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.
Daily 21:55 San Diego (SAN) 2 05:32 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737-900 (739) 4:37 Effective from 2026-05-21
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:00 San Diego (SAN) 2 05:49 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737 MAX 9 (7M9) 4:49 Effective 2026-01-06 through 2026-02-11
The flight arrives 1 day after departure.
Wed,Thu 22:15 San Diego (SAN) 2 06:04 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737 MAX 9 (7M9) 4:49 Effective 2026-02-12 through 2026-03-04
The flight arrives 1 day after departure.
Fri 22:15 San Diego (SAN) 2 06:04 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737 MAX 8 (7M8) 4:49 Effective 2026-02-13 through 2026-02-27
The flight arrives 1 day after departure.
Sun 22:15 San Diego (SAN) 2 06:04 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737-900 (739) 4:49 Effective 2026-02-15 through 2026-03-01
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:15 San Diego (SAN) 2 06:03 Washington Dulles (IAD)
UA 2129 Non-stop Boeing 737 MAX 9 (7M9) 4:48 Effective 2026-03-05 through 2026-03-27
The flight arrives 1 day after departure.
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United Airlines flight UA 2129:
San Diego - Washington Dulles
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2129
21:30
San Diego (SAN) 2

05:19(+1)
Washington Dulles (IAD)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:49, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
21:30
San Diego (SAN) 2

05:19(+1)
Washington Dulles (IAD)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:49, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
21:35
San Diego (SAN) 2

05:33(+1)
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
21:55
San Diego (SAN) 2

05:53(+1)
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
21:55
San Diego (SAN) 2

05:32(+1)
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:37, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
22:00
San Diego (SAN) 2

05:49(+1)
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:49, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
22:15
San Diego (SAN) 2

06:04(+1)
Washington Dulles (IAD)
Effective 2026-02-12 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:49, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
22:15
San Diego (SAN) 2

06:04(+1)
Washington Dulles (IAD)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:49, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
22:15
San Diego (SAN) 2

06:04(+1)
Washington Dulles (IAD)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:49, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2129
22:15
San Diego (SAN) 2

06:03(+1)
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:48, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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Parallax here SAN-IAD
  • UA 2129 is a domestic flight departing from the San Diego airport (SAN) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 2247 miles, or 3616 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:37 and 4:58.
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