AA 1240 then UA 2720 at DFW
Detroit → Dallas-Fort Worth → Newark
Timetable, Dallas-Fort Worth time
08:03AA 1240 from Detroit at the gate
17:17UA 2720 to Newark leaves the gate
9 h 14 apart on the timetable
The last days
AA 1240 and UA 2720 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.