AA 737 then AA 3449 at DFW
Seattle → Dallas-Fort Worth → Tallahassee
Timetable, Dallas-Fort Worth time
13:31AA 737 from Seattle 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 737 arrives on the timetable: more than half a day, so not a connection we count.