AA 2279 then KJ 248 at O'Hare
San Juan → Chicago → Atlanta
Timetable, Chicago time
19:27AA 2279 from San Juan at the gate
11:35KJ 248 to Atlanta leaves the gate
16 h 08 apart on the timetable, overnight
KJ 248 leaves 16 h 08 after AA 2279 arrives on the timetable: more than half a day, so not a connection we count.