DL 2305 then AA 5203 at DFW
Boston → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
23:03DL 2305 from Boston at the gate
21:42AA 5203 to Houston leaves the gate
22 h 39 apart on the timetable, overnight
AA 5203 leaves 22 h 39 after DL 2305 arrives on the timetable: more than half a day, so not a connection we count.