call sign BOSAL ?

hi guys... what airlines is this

http://flightaware.com/live/flight/BOS1

coming from paris to jfk with a 757 ? , and does she have wing tips...

Is this the Open Skies 757?

Yeah that's OpenSkies and yes the 757 has winglets.

British
Open
Skys
Air
Line

But the callsign is MISTRAL, n'est-ce pas?