AC 7252 then AA 3258 at Miami
Toronto → Miami → Houston
Timetable, Miami time
00:45AC 7252 from Toronto at the gate
07:00AA 3258 to Houston leaves the gate
6 h 15 apart on the timetable
The last days
AC 7252 and AA 3258 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.