AA 2530 then Y8 7456 at O'Hare
Charlotte → Chicago → Shanghai
Timetable, Chicago time
14:20AA 2530 from Charlotte at the gate
01:35Y8 7456 to Shanghai leaves the gate
11 h 15 apart on the timetable, overnight
The last days
AA 2530 and Y8 7456 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.