In theory it'll depart in one hour from PAE to MWH, then complete the day with MWH-BFI.
http://flightaware.com/live/flight/BOE3
The first 787 is also scheduled for today:
http://flightaware.com/live/flight/BOE1
and the fourth built (but third to fly) 787 is likely go out and currently has pilots on board:
http://flightaware.com/live/flight/BOE4
