UA 1970 then UA 4726 at San Francisco
Cleveland → San Francisco → Redding
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
16:30UA 4726 to Redding leaves the gatealso EK 6492
18 h 45 apart on the timetable, overnight
UA 4726 leaves 18 h 45 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.