AA 552 then WN 3553 at Atlanta
Dallas-Fort Worth → Atlanta → Pittsburgh
Timetable, Atlanta time
16:32AA 552 from Dallas-Fort Worth at the gate
16:30WN 3553 to Pittsburgh leaves the gate
23 h 58 apart on the timetable, overnight
WN 3553 leaves 23 h 58 after AA 552 arrives on the timetable: more than half a day, so not a connection we count.