AA 2475 then UA 5209 at O'Hare
Los Angeles → Chicago → Detroit
Timetable, Chicago time
05:02AA 2475 from Los Angeles at the gate
10:20UA 5209 to Detroit leaves the gate
5 h 18 apart on the timetable
The last days
AA 2475 and UA 5209 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.