UA 1341 then UA 5621 at San Francisco
Detroit → San Francisco → Eugene
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
11:15UA 5621 to Eugene leaves the gate
15 h 44 apart on the timetable, overnight
UA 5621 leaves 15 h 44 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.