AA 3649 then WN 1173 at Phoenix
Tucson → Phoenix → Chicago Midway
Timetable, Phoenix time
09:45AA 3649 from Tucson at the gate
10:40WN 1173 to Chicago Midway leaves the gate
55 min apart on the timetable
The last days
AA 3649 and WN 1173 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.