Security lines: To allow time to navigate ticket counters and Transportation Security Administration checkpoints, plan on arriving at the airport at least 90 minutes ahead of departure time on the busiest travel days. Some airlines now require bags to be checked at least 45 minutes prior to departure.
Get to the terminal on time, which means early for security check
It’s suggested that travelers get to the airport at least 90 minutes ahead of departure time on the busiest travel days, in part for long security lines.

