AA 3770 then AA 3109 at DFW
Grand Junction → Dallas-Fort Worth → San Diego
Timetable, Dallas-Fort Worth time
10:14AA 3770 from Grand Junction at the gate
11:04AA 3109 to San Diego leaves the gate
50 min apart on the timetable
The last days
AA 3770 and AA 3109 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.