DL 4252 then DL 1355 at Detroit
Alpena → Detroit → Tampa
Timetable, Detroit time
19:08DL 4252 from Alpena at the gate
18:15DL 1355 to Tampa leaves the gate
23 h 07 apart on the timetable, overnight
DL 1355 leaves 23 h 07 after DL 4252 arrives on the timetable: more than half a day, so not a connection we count.