UA 2754 then LH 455 at San Francisco
Minneapolis → San Francisco → Frankfurt am Main
Timetable, San Francisco time
19:33UA 2754 from Minneapolis at the gatealso OZ 6312, VA 8253, NZ 9438
14:45LH 455 to Frankfurt am Main leaves the gatealso NZ 4221, SN 7249, OS 7326, UA 8828
19 h 12 apart on the timetable, overnight
LH 455 leaves 19 h 12 after UA 2754 arrives on the timetable: more than half a day, so not a connection we count.