Rectangular-shaped UFO snapped from a plane

On January 1st, 2015, a man and his wife were in plane near Orlando (Florida, USA). At this moment, they took a photo of a white rectangular-shaped UFO. Astonished, witnesses have sent their story to MUFON:

My wife and I spotted something on the flight today from PHL to Orlando airport. We were able to snap a picture that I can send to you.

Here is the flight and observation information:

Observation made at 11:50AM
Lat Long Course Altitude
36.16 -77.1 SSW 206 360000