AA 1601 then AS 9921 at DFW
Cancún → Dallas-Fort Worth → Salt Lake City
Timetable, Dallas-Fort Worth time
14:06AA 1601 from Cancún at the gate
18:04AS 9921 to Salt Lake City leaves the gate
3 h 58 apart on the timetable
The last days
AA 1601 and AS 9921 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.