Most travelers should arrive three hours before an international flight. Checked bags, travel documents, parking, airport size, and busy travel periods can change that estimate.
Airport Timing Guides
How Early Should You Arrive for a Domestic Flight?
Most travelers should arrive at the airport two hours before a domestic flight. Checked bags, parking, airport size, TSA PreCheck, and busy travel periods can change that estimate.
How Early Should You Arrive at the Airport?
Two hours before a domestic flight and three hours before an international flight is a useful starting point. Your airport, bags, parking, security options, and travel group can all change the answer.