AA 4259 then AA 1632 at O'Hare
St Louis → Chicago → Tucson
Timetable, Chicago time
18:59AA 4259 from St Louis at the gate
20:56AA 1632 to Tucson leaves the gate
1 h 57 apart on the timetable
The last days
AA 4259 and AA 1632 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 Tucson
No later flight to Tucson on the timetable.