After all but disappearing in the chaos of the US banking crisis and the global economic downturn, US executives are daring to venture back into airport terminals. Some of the braver ones are even flying business class.

But like most other sectors, the travel industry is wondering how long this delicate recovery will last.

After the pounding it has taken in the past 12 months, it is no surprise that many in the industry wonder whether things will ever be the same again.