AA 4272 then 1I 605 at O'Hare
Allentown → Chicago → St Louis
Timetable, Chicago time
07:15AA 4272 from Allentown at the gate
11:301I 605 to St Louis leaves the gate
4 h 15 apart on the timetable
Today
From the airport’s board at 19:59 Chicago time
07:15AA 4272 is cancelled
10:461I 605 left the gate44 min early
The last days
AA 4272 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.