Hi, in January I'm taking a 6:30AM flight out of Kauai back to HNL then to LAX. I will have a rental car to return. I haven't booked my rental car yet. A lot of the rental car companies say they don't open until 5:15 or 5:30am. Would I have a problem making a flight if they don't take my car until 5:30am? I can't seem to find one that opens at 5:00am. Avis said they open at 5:00am when I called but when I tried to book online, it said they open at 5:30am. Are the security and agriculture lines really long so early in the morning? I just want to know if I would make my flight... normally I arrive at airport 2 hours early but that doesn't seem possible here. Thanks in advance.