[Tommyjo]

Amazing that that is the only contrail in the sky over that whole region of the Pacific.

It wasn't. Check out the first wide-angle image (Shot at 20mm focal length)from Hermosa Beach?

Link to image from Hermosa Beach 1

Link to Hermosa Beach image 2

Link to Hermosa Beach image 3

[TigersEye]

There are no contrails in Leyvas' video even though flight awe808 flew the same route exactly one half hour earlier. Here's the NASA evidence everybody is pointing to.

Where are any other contrails in this huge swath of the west coast? Sheesh!