AA 1426 then AA 3449 at DFW
Houston → Dallas-Fort Worth → Tallahassee
Timetable, Dallas-Fort Worth time
13:38AA 1426 from Houston at the gate
12:19AA 3449 to Tallahassee leaves the gate
22 h 41 apart on the timetable, overnight
AA 3449 leaves 22 h 41 after AA 1426 arrives on the timetable: more than half a day, so not a connection we count.