AA 2123 then KE 233 at O'Hare
Los Angeles → Chicago → Seattle (SEA)
Timetable, Chicago time
19:59AA 2123 from Los Angeles at the gate
05:25KE 233 to Seattle (SEA) leaves the gate
9 h 26 apart on the timetable, overnight
The last days
AA 2123 and KE 233 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.