Are global airlines about to face Innovator’s Dilemma?

Are global airlines about to face Innovator’s Dilemma?

It looks like the global "legacy" carriers line British Airways and Co will soon be facing Clayton Christensen's Innovator's Dilemma.  Will they choose to compete against the new generation of low-cost long-haul competitors, or just do as they have in Europe – cut-corners and hope for the best?