UA 2754 then UA 1372 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
12:45UA 1372 to Boston leaves the gatealso CA 7307, NH 7330, VA 8305, NZ 9010
17 h 12 apart on the timetable, overnight
UA 1372 leaves 17 h 12 after UA 2754 arrives on the timetable: more than half a day, so not a connection we count.