AA 3083 then DL 2266 at Atlanta
Philadelphia → Atlanta → Buffalo
Timetable, Atlanta time
13:24AA 3083 from Philadelphia at the gate
12:52DL 2266 to Buffalo leaves the gate
23 h 28 apart on the timetable, overnight
DL 2266 leaves 23 h 28 after AA 3083 arrives on the timetable: more than half a day, so not a connection we count.