DL 2305 then AA 662 at DFW
Boston → Dallas-Fort Worth → Denver
Timetable, Dallas-Fort Worth time
23:03DL 2305 from Boston at the gate
22:42AA 662 to Denver leaves the gate
23 h 39 apart on the timetable, overnight
AA 662 leaves 23 h 39 after DL 2305 arrives on the timetable: more than half a day, so not a connection we count.