UA 3586 then DL 1355 at Detroit
Newark → Detroit → Tampa
Timetable, Detroit time
18:28UA 3586 from Newark at the gate
18:15DL 1355 to Tampa leaves the gate
23 h 47 apart on the timetable, overnight
DL 1355 leaves 23 h 47 after UA 3586 arrives on the timetable: more than half a day, so not a connection we count.