CM 1131 then SQ 33 at San Francisco
Eugene → San Francisco → Singapore
Timetable, San Francisco time
21:11CM 1131 from Eugene at the gatealso AV 2270
20:15SQ 33 to Singapore leaves the gate
23 h 04 apart on the timetable, overnight
SQ 33 leaves 23 h 04 after CM 1131 arrives on the timetable: more than half a day, so not a connection we count.