AM 686 then KJ 242 at O'Hare
Mexico City → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:12AM 686 from Mexico City at the gate
11:40KJ 242 to Dallas-Fort Worth leaves the gate
22 h 28 apart on the timetable, overnight
KJ 242 leaves 22 h 28 after AM 686 arrives on the timetable: more than half a day, so not a connection we count.