Aircraft consultant Richard Aboulafia says while air travel appears to be making a comeback, demand for first class tickets remains sluggish and airline revenues are well below 2008 peak levels.

VOA: standard.2010.03.30

I don't think we know exactly what's going to happen but it's certainly possible that we could get very sluggish growth over the next year or two and possibly even growth could stall out if it doesn't get underway,".

VOA: standard.2009.12.20