AA 1878 then AA 4214 at Salt Lake City
Dallas-Fort Worth → Salt Lake City → Phoenix Sky Harbor
Timetable, Salt Lake City time
10:30AA 1878 from Dallas-Fort Worth at the gate
13:42AA 4214 to Phoenix Sky Harbor leaves the gate
3 h 12 apart on the timetable
The last days
AA 1878 and AA 4214 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.