UA 1970 then UA 1114 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
14:00UA 1114 to Chicago O'Hare leaves the gatealso AC 5196, CA 7327, VA 8100, NZ 9302
16 h 15 apart on the timetable, overnight
UA 1114 leaves 16 h 15 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.