UA 214 then UA 5718 at San Francisco
St Louis → San Francisco → Eugene
Timetable, San Francisco time
21:41UA 214 from St Louis at the gatealso OZ 6344, NZ 9701
13:56UA 5718 to Eugene leaves the gate
16 h 15 apart on the timetable, overnight
UA 5718 leaves 16 h 15 after UA 214 arrives on the timetable: more than half a day, so not a connection we count.