AA 1873 then CA 8414 at O'Hare
Salt Lake City → Chicago → Shanghai
Timetable, Chicago time
21:55AA 1873 from Salt Lake City at the gate
23:15CA 8414 to Shanghai leaves the gate
1 h 20 apart on the timetable
The last days
AA 1873 and CA 8414 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.