DL 760 then AA 3058 at DFW
Boston → Dallas-Fort Worth → Tucson
Timetable, Dallas-Fort Worth time
10:20DL 760 from Boston at the gate
22:37AA 3058 to Tucson leaves the gate
12 h 17 apart on the timetable
AA 3058 leaves 12 h 17 after DL 760 arrives on the timetable: more than half a day, so not a connection we count.