Security doesnt open til 415 am. You can arrive earlier if you wish but lines arent very long at that hour, average wait time in line is around 5 to 10 mins max. They move pretty quick first thing in the morning.
The airport is always open. 24/7/365. Just arrived 90 minutes prior to departure time and you'll be fine. if you want to show up sooner you'd be welcome to, but I don't think anyone will be around to check you in!
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