UA 1970 then UA 926 at San Francisco
Cleveland → San Francisco → Frankfurt am Main
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
18:45UA 926 to Frankfurt am Main leaves the gatealso AC 5032, LH 9407, NZ 9802
21 h apart on the timetable, overnight
UA 926 leaves 21 h after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.