AA 1721 then UA 3302 at Charlotte
Myrtle Beach → Charlotte → Rochester
Timetable, Charlotte time
08:07AA 1721 from Myrtle Beach at the gate
07:30UA 3302 to Rochester leaves the gate
23 h 23 apart on the timetable, overnight
UA 3302 leaves 23 h 23 after AA 1721 arrives on the timetable: more than half a day, so not a connection we count.