NZ 9172 then UA 1114 at San Francisco
Eugene → San Francisco → Chicago O'Hare
Timetable, San Francisco time
21:05NZ 9172 from Eugene at the gate
14:00UA 1114 to Chicago O'Hare leaves the gatealso AC 5196, CA 7327, VA 8100, NZ 9302
16 h 55 apart on the timetable, overnight
UA 1114 leaves 16 h 55 after NZ 9172 arrives on the timetable: more than half a day, so not a connection we count.