UA 4166 then AA 9786 at O'Hare
Allentown → Chicago → Philadelphia
Timetable, Chicago time
07:49UA 4166 from Allentown at the gate
17:30AA 9786 to Philadelphia leaves the gate
9 h 41 apart on the timetable
Today
From the airport’s board at 20:39 Chicago time
07:34UA 4166 reached the gate15 min early
18:56AA 9786 left the gate1 h 26 late
11 h 22 between the gates
The last days
UA 4166 and AA 9786 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.