UA 2610 then AS 2486 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
11:50UA 2610 from Chicago O'Hare at the gatealso AC 3212, VA 8087, NZ 9320
06:00AS 2486 to Los Angeles leaves the gate
18 h 10 apart on the timetable, overnight
AS 2486 leaves 18 h 10 after UA 2610 arrives on the timetable: more than half a day, so not a connection we count.