AA 6344 then 1I 457 at O'Hare
Lexington → Chicago → Omaha
Timetable, Chicago time
06:08AA 6344 from Lexington at the gate
12:011I 457 to Omaha leaves the gate
5 h 53 apart on the timetable
The last days
AA 6344 and 1I 457 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.