Rare these are happy airline passengers. It seems flights are always getting canceled, delayed, or you get bumped for some reason or other. And what may be the worse situation, you get stuck on a plane parked on the tarmac for what seems like an eternity!

That's what happened to Allegiant Air passengers, as the plane they were on suffered some problems. One hundred degree temps with no air conditioning only made matters worse. So what did they do? They sang!

Watch the ABC News story: