I know I'll sound like an egotistical asshole, but I assume that Icelanders are smart enough to deal with this with a minimum of effort and no bloodshed, and just want to know:

Is there a risk of impacting transatlantic flights over the next month?

I got stuck in the US when the big ash cloud went up from the unpronounceable volcano (2010? 2008?), I have to get there again before Christmas and I'd dearly like not to repeat the experience.