UA 1970 then UA 2492 at San Francisco
Cleveland → San Francisco → Spokane
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
16:30UA 2492 to Spokane leaves the gatealso NZ 9459
18 h 45 apart on the timetable, overnight
UA 2492 leaves 18 h 45 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.