A W pattern refers to a route operated by an aircraft from an airport that's not its base.
In this case, the aircraft arrives in from Madrid, then operates the Nantes route from Bournemouth.
MAD-BOH-NTE-BOH-MAD
Hope this clears things up
p.s. BOH will break through the 1 million passengers in 12 months shortly for the first time. 2007 will see over 1.1 million with whats already been announced and next year, well who knows? Quickly catching up with SOU now.
