UA 1970 then UA 453 at San Francisco
Cleveland → San Francisco → Raleigh-Durham
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
21:21UA 453 to Raleigh-Durham leaves the gatealso VA 8236, NZ 9567
23 h 36 apart on the timetable, overnight
UA 453 leaves 23 h 36 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.