UA 1341 then CA 7307 at San Francisco
Detroit → San Francisco → Boston
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
12:45CA 7307 to Boston leaves the gatealso NH 7330
17 h 14 apart on the timetable, overnight
CA 7307 leaves 17 h 14 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.