AA 2357 then AA 2449 at DFW
Denver → Dallas-Fort Worth → Jacksonville
Timetable, Dallas-Fort Worth time
13:46AA 2357 from Denver at the gate
17:30AA 2449 to Jacksonville leaves the gate
3 h 44 apart on the timetable
The last days
AA 2357 and AA 2449 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.