AA 3747 then WN 1173 at Phoenix
Grand Junction → Phoenix → Chicago Midway
Timetable, Phoenix time
20:38AA 3747 from Grand Junction at the gate
10:40WN 1173 to Chicago Midway leaves the gate
14 h 02 apart on the timetable, overnight
WN 1173 leaves 14 h 02 after AA 3747 arrives on the timetable: more than half a day, so not a connection we count.