B6 1034 then DL 2234 at Boston
San Francisco → Boston → Tampa
Timetable, Boston time
20:59B6 1034 from San Francisco at the gate
19:50DL 2234 to Tampa leaves the gate
22 h 51 apart on the timetable, overnight
DL 2234 leaves 22 h 51 after B6 1034 arrives on the timetable: more than half a day, so not a connection we count.