From Snopes:

Claim: Reporter encounters terrorists on airline flight who are making a dry run at assembling a bomb on-board.

Status: False.

Really. As I wrote in a letter to Snopes, does that mean that the Snopes organization has done a thorough background check on the musicians and determined that they were in fact innocent musicians and had no relation to terrorism?

If not, there's no way Snopes can call this "false."

I suggested that they change the status to "undetermined," or at least provide a note saying that the cover story provided by the musicians checked out. Feel free to use their feedback form to suggest the same.