AA 2359 then 1I 605 at O'Hare
Buffalo → Chicago → St Louis
Timetable, Chicago time
09:05AA 2359 from Buffalo at the gate
11:301I 605 to St Louis leaves the gate
2 h 25 apart on the timetable
Today
From the airport’s board at 15:45 Chicago time
13:56AA 2359 reached the gate4 h 51 late
10:461I 605 left the gate44 min early
−3 h 10 between the gates
The last days
AA 2359 and 1I 605 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.