KJ 248 then DL 874 at Atlanta
Chicago O'Hare → Atlanta → Boise
Timetable, Atlanta time
19:54KJ 248 from Chicago O'Hare at the gate
10:29DL 874 to Boise leaves the gate
14 h 35 apart on the timetable, overnight
DL 874 leaves 14 h 35 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.