UA 1970 then UA 8219 at San Francisco
Cleveland → San Francisco → Chicago O'Hare
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
18:10UA 8219 to Chicago O'Hare leaves the gate
20 h 25 apart on the timetable, overnight
UA 8219 leaves 20 h 25 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.