AA 2379 then 1I 487 at O'Hare
Seattle (SEA) → Chicago → Washington
Timetable, Chicago time
06:05AA 2379 from Seattle (SEA) at the gate
15:301I 487 to Washington leaves the gate
9 h 25 apart on the timetable
The last days
AA 2379 and 1I 487 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.