Originally Posted by
ThatT1Feeling
I think it's more predictable, especially if you are transferring from a Domestic or are registered for IRIS. Of course, in theory FCC could be quicker but appears to be far more likely to be completely horrible than the seamless experience promised.
I'd agree that the way mentioned above is more predictable, but I'd say that for 85% of the day there isn't a hold up at the bottom of the escalators in FCC and you can go straight up to Security which would make this the quicker option.
I would say it's always best to check.