> The only way showing up earlier would help with throughput is if there are periods of time where the security is under-utilized with absolutely no queues. Whi

> The only way showing up earlier would help with throughput is if there are periods of time where the security is under-utilized with absolutely no queues. Which, from my experience with US airports, is a laughable idea. Shrug, I've seen this plenty over the course of my life in the US, and I've only ever really flown big-city airports. It's not ubiquitous, but it's not like, super-rare or anything.