UA 1341 then AM 669 at San Francisco
Detroit → San Francisco → Mexico City
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
13:31AM 669 to Mexico City leaves the gatealso WS 6162, DL 7965
18 h apart on the timetable, overnight
AM 669 leaves 18 h after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.