WN 8508 then DL 950 at Atlanta
Tampa → Atlanta → Washington National
Timetable, Atlanta time
22:39WN 8508 from Tampa at the gate
16:40DL 950 to Washington National leaves the gate
18 h 01 apart on the timetable, overnight
DL 950 leaves 18 h 01 after WN 8508 arrives on the timetable: more than half a day, so not a connection we count.