AA 901 then 8C 3456 at Miami
San Francisco → Miami → San Juan
Timetable, Miami time
05:00AA 901 from San Francisco at the gate
06:308C 3456 to San Juan leaves the gate
1 h 30 apart on the timetable
The last days
AA 901 and 8C 3456 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.