CM 2541 then OZ 6303 at San Francisco
Reno → San Francisco → Chicago O'Hare
Timetable, San Francisco time
17:42CM 2541 from Reno at the gatealso UA 5247
17:10OZ 6303 to Chicago O'Hare leaves the gate
23 h 28 apart on the timetable, overnight
OZ 6303 leaves 23 h 28 after CM 2541 arrives on the timetable: more than half a day, so not a connection we count.