Some location would be helpful, you're right. I haven't seen anything approaching an idea of direction. All I know is we can assume the camera is somewhere near LA.
Trying to figure what flight it might be by establishing a better location.
Here's the Flight path for one that's been suggested as a possible.
I think these 2 are much better possibilities (higher altitude, South to North):
http://flightaware.com/live/flight/ASA225
http://flightaware.com/live/flight/ASA221