AA 2405 then UA 5494 at DFW
Buffalo → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
09:55AA 2405 from Buffalo at the gate
20:43UA 5494 to Chicago O'Hare leaves the gate
10 h 48 apart on the timetable
The last days
AA 2405 and UA 5494 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.