DL 2620 then DL 4137 at Atlanta
Tulsa → Atlanta → Shreveport
Timetable, Atlanta time
15:56DL 2620 from Tulsa at the gate
15:40DL 4137 to Shreveport leaves the gate
23 h 44 apart on the timetable, overnight
DL 4137 leaves 23 h 44 after DL 2620 arrives on the timetable: more than half a day, so not a connection we count.