Freeper DukeC posted this, this afternoon. Set it to 1700, and watch as the planes separate two planes appear, then the second one disappears a moment later.
http://www.freerepublic.com/focus/f-news/3221846/posts
Here is the link directly to the flight radar, but credit goes to DukeC.
http://www.flightradar24.com/2014-10-31/17:07/12x/N339SS/4b4bf55
A moment or 2 minutes. With those rocket motors you can cover some serious distance in 2 minutes.
Thanks!