Tiger Woods' plane has been spotted at a small airport in Mesa, Arizona, a town just outside of Phoenix.

Woods and his wife Elin Nordegren and their two children Charlie and Sam are said to have accompanied the golf star on his company's private jet on Sunday, having departed from Orlando Executive Airport, about 20 minutes from Tiger's Windermere home.

During Woods' emotional apology on Friday, Tiger said that he would be returning to rehab immediately. However, The Meadows rehab facility (where X17online initially reported Tiger was seeking treatment) is an hour and a half away from the Mesa airport by car and Wickenburg (where The Meadows is located), has its own airport that can accommodate a Gulfstream GV.

Cottonwood de Tuscon, Arizona's other posh rehab facility is also host to several airports.

So is Tiger really returning to rehab? If so, which one? And why would his family be with him? Or has he traveled across the country to return to golf? The Waste Management Phoenix Open starts in Scottsdale on Thursday ...