UA 2309 then NH 7306 at San Francisco
San Diego → San Francisco → Phoenix
Timetable, San Francisco time
13:07UA 2309 from San Diego at the gatealso AC 4450, AZ 4481, LH 9223
12:00NH 7306 to Phoenix leaves the gatealso CA 7333
22 h 53 apart on the timetable, overnight
NH 7306 leaves 22 h 53 after UA 2309 arrives on the timetable: more than half a day, so not a connection we count.