Many frequent flyers stand by the fact that if you keep yourself hydrated and get plenty of rest the effects of jet lag should go within a few days. However, there are some other ways to stop Jet Lags effects and there are remedies to stop you getting it all together.
Seattle to Salt Lake City jet lag information
Lets assume you left Seattle at 9:00am. The flight takes approximately 2 hours 7 minutes so you would arrive in Salt Lake City at 9:12am Seattle time which is in fact 8:12am Salt Lake City time.
Your body will be telling you that its 9:12am but actually its now 8:12am