I see that next summer BA are going to increase Boston up to 4 daily from Heathrow. Is there a possibility in the future that maybe during peak periods such as the summer months both BA and AA could use Gatwick for some seasonal flights to destinations in the USA. With BA looking for expansion eastwards this could ease pressure on slots during the peak periods. O&D is heavier in summer and maybe at Christmas time. Such traffic is less fussed about which London Airport it arrives at. BA already serve Las Vegas, Orlando and Tampa all year round from Gatwick.
I understand about yield but during certain key periods it may work. Just an idea!
V