AA 621 then AA 3449 at DFW
Omaha → Dallas-Fort Worth → Tallahassee
Timetable, Dallas-Fort Worth time
14:15AA 621 from Omaha at the gate
12:19AA 3449 to Tallahassee leaves the gate
22 h 04 apart on the timetable, overnight
AA 3449 leaves 22 h 04 after AA 621 arrives on the timetable: more than half a day, so not a connection we count.