F9 2713 then DL 3949 at Detroit
Orlando → Detroit → Elmira
Timetable, Detroit time
08:52F9 2713 from Orlando at the gate
21:30DL 3949 to Elmira leaves the gate
12 h 38 apart on the timetable
DL 3949 leaves 12 h 38 after F9 2713 arrives on the timetable: more than half a day, so not a connection we count.