A pretty standard airline suspense story about a bomb planted on a 747 on a flight from Sydney, Australia to Los Angeles. There's some decent suspense, but the whole thing is pretty cliché (time clock clicking down to the last few seconds, the usual brief shots of faces taut with the strain, etc.), and the performances are average at best.
What really bugged me in this movie was why the writers felt the need to have an FBI agent conveniently present in Sydney when the threat was phoned in, and not only present but becoming front and centre in the search for the bomber. Maybe I'm being too sensitive here, but I rather suspect that the Australian police wouldn't need the FBI's help in what seemed to be a pretty routine piece of policework. That just made the whole thing too American-centred (with no discernible reason or need for it) for my liking.
Overall, though, it's an average to decent movie. 5/10.