AA 1202 then UA 545 at O'Hare
Miami → Chicago → Philadelphia
Timetable, Chicago time
15:43AA 1202 from Miami at the gate
19:45UA 545 to Philadelphia leaves the gate
4 h 02 apart on the timetable
Today
From the airport’s board at 18:03 Chicago time
15:17AA 1202 reached the gate26 min early
19:45UA 545 due to leave, no estimate yet
4 h 28 between the gates, on these times
The last days
AA 1202 and UA 545 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.