BA 5318 then AC 4370 at San Francisco
Chicago O'Hare → San Francisco → Reno
Timetable, San Francisco time
19:59BA 5318 from Chicago O'Hare at the gatealso GF 6770, EI 7510
18:55AC 4370 to Reno leaves the gate
22 h 56 apart on the timetable, overnight
AC 4370 leaves 22 h 56 after BA 5318 arrives on the timetable: more than half a day, so not a connection we count.