AA 2600 then AA 3449 at DFW
Boston → Dallas-Fort Worth → Tallahassee
Timetable, Dallas-Fort Worth time
13:31AA 2600 from Boston at the gate
12:19AA 3449 to Tallahassee leaves the gate
22 h 48 apart on the timetable, overnight
AA 3449 leaves 22 h 48 after AA 2600 arrives on the timetable: more than half a day, so not a connection we count.