DL 1621 then DL 1452 at Salt Lake City
Long Beach → Salt Lake City → Spokane
Timetable, Salt Lake City time
10:00DL 1621 from Long Beach at the gate
11:30DL 1452 to Spokane leaves the gate
1 h 30 apart on the timetable
The last days
DL 1621 and DL 1452 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.