WN 1574 then DL 2817 at Salt Lake City
Las Vegas → Salt Lake City → Seattle
Timetable, Salt Lake City time
11:10WN 1574 from Las Vegas at the gate
15:41DL 2817 to Seattle leaves the gate
4 h 31 apart on the timetable
The last days
WN 1574 and DL 2817 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.