CM 1131 then UA 817 at San Francisco
Eugene → San Francisco → Mexico City
Timetable, San Francisco time
21:05CM 1131 from Eugene at the gatealso AV 2270
13:14UA 817 to Mexico City leaves the gatealso AC 5402, NH 7368, NZ 9823
16 h 09 apart on the timetable, overnight
UA 817 leaves 16 h 09 after CM 1131 arrives on the timetable: more than half a day, so not a connection we count.