UA 1341 then UA 1905 at San Francisco
Detroit → San Francisco → St Louis
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
12:15UA 1905 to St Louis leaves the gatealso UA 8167
16 h 44 apart on the timetable, overnight
UA 1905 leaves 16 h 44 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.