AA 5510 then DL 2043 at Atlanta
Washington National → Atlanta → Tulsa
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
22:47DL 2043 to Tulsa leaves the gate
23 h 24 apart on the timetable, overnight
DL 2043 leaves 23 h 24 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.