UA 1970 then DL 2159 at San Francisco
Cleveland → San Francisco → Minneapolis
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
15:36DL 2159 to Minneapolis leaves the gatealso WS 8628
17 h 51 apart on the timetable, overnight
DL 2159 leaves 17 h 51 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.