DL 2305 then AA 2775 at DFW
Boston → Dallas-Fort Worth → San Francisco
Timetable, Dallas-Fort Worth time
23:03DL 2305 from Boston at the gate
22:01AA 2775 to San Francisco leaves the gate
22 h 58 apart on the timetable, overnight
AA 2775 leaves 22 h 58 after DL 2305 arrives on the timetable: more than half a day, so not a connection we count.