Overall, it has some great set-pieces but ultimately it has too many unconnected set pieces. By the time we get to the plane, it starts to stretch the credibility to breaking point. ("ANOTHER emergency that he is going to survive by the skin of his teeth?"). Why they didn't just have the medical research centre in Jerusalem and connect the siege to the fight to get there, I'll never know.
I think if the film had been more structurally ambitious and broken the film into two distinct sections - escape from Philadelphia and escape from Jerusalem - each basically one non-stop chase sequence, with a short interlude on the ship, it could have been something special.
One thing though: it commits one of the biggest cliches around, the "I have no time to explain!" phone call, when literally it would have taken him ten seconds to say:
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The only way that could have been saved is if, at the end:
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