UA 3871 then CM 2440 at San Francisco
IAB → San Francisco → Fresno
Timetable, San Francisco time
15:17UA 3871 from IAB at the gate
08:24CM 2440 to Fresno leaves the gatealso AC 4348, UA 4679
17 h 07 apart on the timetable, overnight
CM 2440 leaves 17 h 07 after UA 3871 arrives on the timetable: more than half a day, so not a connection we count.