United Airlines
flight
UA 668:
Luis Munoz Marin, San Juan - New York LaGuardia via Houston George Bush
Luis Munoz Marin, San Juan - New York LaGuardia via Houston George Bush
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA668
Effective 2026-08-18 through 2026-08-31
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-09-06 through 2026-09-20
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA668
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA668
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:56, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:57, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-08-22 through 2026-08-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-09-01 through 2026-09-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Effective 2026-09-27 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA668
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA668
Effective 2026-08-18 through 2026-08-31
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA668
Effective 2026-09-06 through 2026-09-20
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA668
Effective 2026-08-18 through 2026-08-31
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 9:15, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA668
Effective 2026-09-06 through 2026-09-20
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 9:15, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
- UA 668 is an international flight departing from Luis Munoz Marin, San Juan airport, Puerto Rico (SJU) and arriving at New York LaGuardia airport, United States (LGA).
- The flight runs via Houston George Bush (IAH).
- The flight distance is 1612 miles, or 2594 km.
- The timezone of the departure airport is UTC-4 , 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.