AA 1708 then AA 2778 at Charlotte
Baltimore → Charlotte → Grand Rapids
Timetable, Charlotte time
06:31AA 1708 from Baltimore at the gate
11:04AA 2778 to Grand Rapids leaves the gate
4 h 33 apart on the timetable
The last days
AA 1708 and AA 2778 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.