UA 3496 then UA 2425 at Dulles
Jacksonville → Washington → Charleston (South Carolina)
Timetable, Washington time
13:35UA 3496 from Jacksonville at the gate
12:41UA 2425 to Charleston (South Carolina) leaves the gate
23 h 06 apart on the timetable, overnight
UA 2425 leaves 23 h 06 after UA 3496 arrives on the timetable: more than half a day, so not a connection we count.