AA 9928 then UA 241 at O'Hare
New York LaGuardia → Chicago → Phoenix
Timetable, Chicago time
06:45AA 9928 from New York LaGuardia at the gate
20:37UA 241 to Phoenix leaves the gate
13 h 52 apart on the timetable
UA 241 leaves 13 h 52 after AA 9928 arrives on the timetable: more than half a day, so not a connection we count.