AM 90 then ZE 817 at Incheon
Monterrey → Seoul → Yantai
Timetable, Seoul time
14:15AM 90 from Monterrey at the gate
07:20ZE 817 to Yantai leaves the gate
17 h 05 apart on the timetable, overnight
ZE 817 leaves 17 h 05 after AM 90 arrives on the timetable: more than half a day, so not a connection we count.