AA 3620 then 1I 511 at O'Hare
Huntsville → Chicago → St Louis
Timetable, Chicago time
08:30AA 3620 from Huntsville at the gate
11:001I 511 to St Louis leaves the gate
2 h 30 apart on the timetable
Today
From the airport’s board at 11:23 Chicago time
08:06AA 3620 reached the gate24 min early
11:001I 511 due to leave, no estimate yet
2 h 54 between the gates, on these times
The last days
AA 3620 and 1I 511 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.