F9 2111 then CA 1018 at O'Hare
Philadelphia → Chicago → Shanghai
Timetable, Chicago time
22:43F9 2111 from Philadelphia at the gate
03:00CA 1018 to Shanghai leaves the gate
4 h 17 apart on the timetable, overnight
The last days
F9 2111 and CA 1018 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.