Utterly dreadful. It's enough that I was rooting for the main characters to just die already, but then periodically it would -- bizarrely -- switch to showing us Karen Allen and a couple of other people being rescued from some random boat that had nothing whatsoever to do with the main plot. I don't think "these unconnected events also took place on Earth at the same time" is a good enough reason to include scenes in a movie. You could get the same effect by taking a movie like 'The Fugitive' or 'The Sixth Sense' and inserting several scenes of a random person having their car break down & getting it towed.
I think you’re the first person to ever agree with me. :)
It was interminable!