At John Wayne Airport (SNA), the security wait time generally open at 4:30 AM daily, but it’s always smart to check with your airline because hours can vary slightly depending on the first scheduled departures of the day.
For domestic flights in the United States, you’ll want to arrive about two hours in advance; on international flights, make it three hours. Which will still give you a goodly amount of time to check in, check your bags and get through security without feeling like you are running a marathon.
If you are planning to leave early, think about taking a look at security wait times at John Wayne Airport (SNA) before you go. The airport’s website, or some travel apps, will let you know how long the wait times are at the moment, which will help you plan a little better. Planning ahead pays off, ever so sweetly.