KJ 248 then DL 774 at Atlanta
Chicago O'Hare → Atlanta → Seattle
Timetable, Atlanta time
14:25KJ 248 from Chicago O'Hare at the gate
09:50DL 774 to Seattle leaves the gate
19 h 25 apart on the timetable, overnight
DL 774 leaves 19 h 25 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.