AA 4102 then WN 1037 at Denver
Chicago O'Hare → Denver → Phoenix Sky Harbor
Timetable, Denver time
08:40AA 4102 from Chicago O'Hare at the gate
06:00WN 1037 to Phoenix Sky Harbor leaves the gate
21 h 20 apart on the timetable, overnight
WN 1037 leaves 21 h 20 after AA 4102 arrives on the timetable: more than half a day, so not a connection we count.