AA 268 then F9 1516 at Detroit
Miami → Detroit → Baltimore
Timetable, Detroit time
09:10AA 268 from Miami at the gate
12:44F9 1516 to Baltimore leaves the gate
3 h 34 apart on the timetable
The last days
AA 268 and F9 1516 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.