UA 2754 then TP 4392 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
10:44TP 4392 to Boston leaves the gate
15 h 11 apart on the timetable, overnight
TP 4392 leaves 15 h 11 after UA 2754 arrives on the timetable: more than half a day, so not a connection we count.