DL 3859 then DL 1423 at Salt Lake City
Great Falls → Salt Lake City → Sacramento
Timetable, Salt Lake City time
15:01DL 3859 from Great Falls at the gate
17:11DL 1423 to Sacramento leaves the gate
2 h 10 apart on the timetable
Today
From the airport’s board at 18:37 Salt Lake City time
14:47DL 3859 reached the gate14 min early
16:59DL 1423 left the gate12 min early
2 h 12 between the gates
The last days
DL 3859 and DL 1423 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.