AA 590 then WN 1428 at Phoenix
St Louis → Phoenix → Chicago Midway
Timetable, Phoenix time
16:05AA 590 from St Louis at the gate
17:00WN 1428 to Chicago Midway leaves the gate
55 min apart on the timetable
The last days
AA 590 and WN 1428 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.