DL 257 then DL 1439 at Boston
Amsterdam → Boston → Tampa
Timetable, Boston time
14:13DL 257 from Amsterdam at the gate
13:20DL 1439 to Tampa leaves the gate
23 h 07 apart on the timetable, overnight
DL 1439 leaves 23 h 07 after DL 257 arrives on the timetable: more than half a day, so not a connection we count.