United Airlines flight UA 668: Luis Munoz Marin, San Juan - Nashville via George Bush, Houston

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 14:00 Luis Munoz Marin, San Juan (SJU) B 17:51 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 4:51 Effective 2025-08-19 through 2025-09-01
Sun 14:00 Luis Munoz Marin, San Juan (SJU) B 17:51 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 4:51 Effective 2025-09-07 through 2025-09-21
Daily 14:46 Luis Munoz Marin, San Juan (SJU) B 18:54 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 5:08 Effective 2025-10-26 through 2025-11-01
Daily 14:55 Luis Munoz Marin, San Juan (SJU) B 18:52 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Valid until 2025-08-18
Sat 14:55 Luis Munoz Marin, San Juan (SJU) B 18:46 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 4:51 Effective 2025-08-23 through 2025-08-30
Mon-Sat 14:55 Luis Munoz Marin, San Juan (SJU) B 18:46 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 4:51 Effective 2025-09-02 through 2025-09-24
Daily 14:55 Luis Munoz Marin, San Juan (SJU) B 18:46 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 4:51 Effective 2025-09-25 through 2025-10-25
Daily 15:46 Luis Munoz Marin, San Juan (SJU) B 18:54 George Bush, Houston (IAH) C
UA 668 Non-stop Boeing 737-900 (739) 5:08 Effective from 2025-11-02
Daily 20:05 George Bush, Houston (IAH) C 22:11 Nashville (BNA)
UA 668 Non-stop Boeing 737-700 (73G) 2:06 Effective 2025-09-25 through 2025-10-25
Daily 20:10 George Bush, Houston (IAH) C 22:12 Nashville (BNA)
UA 668 Non-stop Boeing 737-700 (73G) 2:02 Effective 2025-08-19 through 2025-09-24
Daily 20:10 George Bush, Houston (IAH) C 22:12 Nashville (BNA)
UA 668 Non-stop Airbus A320 (320) 2:02 Effective 2025-10-26 through 2025-12-01
Daily 20:10 George Bush, Houston (IAH) C 22:12 Nashville (BNA)
UA 668 Non-stop Airbus A320 (320) 2:02 Effective 2025-12-18 through 2026-01-05
Non-Direct Flights:
Mon-Fri,Sun 14:00 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 9:12 Effective 2025-08-19 through 2025-09-01
Sun 14:00 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 9:12 Effective 2025-09-07 through 2025-09-21
Daily 14:46 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:26 Effective 2025-10-26 through 2025-11-01
Sat 14:55 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:17 Effective 2025-08-23 through 2025-08-30
Mon-Sat 14:55 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:17 Effective 2025-09-02 through 2025-09-24
Daily 14:55 Luis Munoz Marin, San Juan (SJU) B 22:11 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:16 Effective 2025-09-25 through 2025-10-25
Daily 15:46 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:26 Effective 2025-11-02 through 2025-12-01
Daily 15:46 Luis Munoz Marin, San Juan (SJU) B 22:12 Nashville (BNA)
UA 668 1-stop Boeing 737-900 (739) 8:26 Effective 2025-12-18 through 2026-01-05
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United Airlines flight UA 668:
Luis Munoz Marin, San Juan - Nashville via George Bush, Houston
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA668
Effective 2025-08-19 through 2025-09-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-07 through 2025-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Boeing 737-900 (739)

United Airlines UA668
Valid until 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA668
Effective 2025-08-23 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:51, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-02 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:51, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Boeing 737-700 (73G)

United Airlines UA668
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Boeing 737-700 (73G)

United Airlines UA668
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Airbus A320 (320)

United Airlines UA668
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA668
Effective 2025-08-19 through 2025-09-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:12, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-07 through 2025-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:12, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:26, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-08-23 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:17, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-02 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 8:17, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:16, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-11-02 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:26, 1-stop
Boeing 737-900 (739)

United Airlines UA668
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:26, 1-stop
Boeing 737-900 (739)
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  • UA 668 is an international flight departing from Luis Munoz Marin, San Juan airport, Puerto Rico (SJU) and arriving at Nashville airport, United States (BNA).
  • The flight runs via George Bush, Houston (IAH).
  • The flight distance is 1754 miles, or 2822 km.
  • The timezone of the departure airport is UTC-4 , and the timezone of the arrival airport is UTC-6 . 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.