UA 2754 then CA 7307 at San Francisco
Minneapolis → San Francisco → Boston
Timetable, San Francisco time
19:33UA 2754 from Minneapolis at the gatealso OZ 6312, VA 8253, NZ 9438
12:45CA 7307 to Boston leaves the gatealso NH 7330
17 h 12 apart on the timetable, overnight
CA 7307 leaves 17 h 12 after UA 2754 arrives on the timetable: more than half a day, so not a connection we count.