CM 1131 then UA 1271 at San Francisco
Eugene → San Francisco → Mexico City
Timetable, San Francisco time
21:05CM 1131 from Eugene at the gatealso AV 2270
10:45UA 1271 to Mexico City leaves the gatealso AC 3479, NZ 9821
13 h 40 apart on the timetable, overnight
UA 1271 leaves 13 h 40 after CM 1131 arrives on the timetable: more than half a day, so not a connection we count.