AA 4259 then AA 2626 at O'Hare
St Louis → Chicago → Denver
Timetable, Chicago time
18:59AA 4259 from St Louis at the gate
22:35AA 2626 to Denver leaves the gate
3 h 36 apart on the timetable
The last days
AA 4259 and AA 2626 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.
Later flights to Denver
No later flight to Denver on the timetable.