AA 3997 then AA 1878 at DFW
Longview → Dallas-Fort Worth → Salt Lake City
Timetable, Dallas-Fort Worth time
07:21AA 3997 from Longview at the gate
08:40AA 1878 to Salt Lake City leaves the gate
1 h 19 apart on the timetable
The last days
AA 3997 and AA 1878 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.