B6 687 then 1I 129 at LAX
Boston → Los Angeles → San Diego
Timetable, Los Angeles time
09:27B6 687 from Boston at the gate
14:001I 129 to San Diego leaves the gate
4 h 33 apart on the timetable
The last days
B6 687 and 1I 129 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.