UA 2019 then AA 1841 at Phoenix
San Diego → Phoenix → Ontario
Timetable, Phoenix time
21:59UA 2019 from San Diego at the gate
21:51AA 1841 to Ontario leaves the gate
23 h 52 apart on the timetable, overnight
AA 1841 leaves 23 h 52 after UA 2019 arrives on the timetable: more than half a day, so not a connection we count.