UA 1706 then UA 6030 at Phoenix
Chicago O'Hare → Phoenix → San Diego
Timetable, Phoenix time
17:12UA 1706 from Chicago O'Hare at the gate
16:30UA 6030 to San Diego leaves the gate
23 h 18 apart on the timetable, overnight
UA 6030 leaves 23 h 18 after UA 1706 arrives on the timetable: more than half a day, so not a connection we count.