We are planning a trip to California this fall, and it looks like it will work best to fly in and out from San Diego and drive to DL and back. The route planning sites I can find online give me a time of about 2 hours for the drive, but I'm imagining traffic plays a big factor. We will likely drive north on a Saturday afternoon, and back south on a Wednesday afternoon. Will there be a huge difference between a weekday and a weekend? Can anyone recommend a good website that helps plan driving routes in the area with traffic taken into consideration?