[TigersEye]

Same route, different altitude.

Nope, according to FlightAware.com both flights on Nov. 8th flew at 37,000 ft.

Flight AWE808 Nov. 8

Flight UPS902 Nov. 8

[Rokke]

"Nope, according to FlightAware.com both flights on Nov. 8th flew at 37,000 ft."

Not true. Click on your links again and look for "track log and graph" link after "Status". The UPS flight climbed to FL390 1.5 hours prior to beginning its descent into Ontario. The AWE flight remained at FL370 for the entire cruise portion of its flight.