AA 2590 then UA 8245 at O'Hare
Santa Ana → Chicago → Dallas-Fort Worth
Timetable, Chicago time
15:03AA 2590 from Santa Ana at the gate
21:00UA 8245 to Dallas-Fort Worth leaves the gate
5 h 57 apart on the timetable
Today
From the airport’s board at 21:25 Chicago time
15:03AA 2590 is cancelled
21:00UA 8245 due to leave, no estimate yet
The last days
AA 2590 and UA 8245 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.