This question will vary depending on which airline you fly with and your personal preferences. Some airlines suggest arriving at the airport 2 hours prior to your flight. Others recommend waiting 3 hours. It is best to arrive earlier if you like to be on time and not rush. Be aware that airports can get crowded during holidays and can take longer to clear security lines. It is best to fly during non-busy times to give yourself enough time to clear security and get to your gate. Consider the distance it takes to get to the airport when you decide how early to arrive. You may not need as much travel time if you live near the airport. It is up to the individual to decide when to arrive at the airport. You can always arrive on time to your flight if you don't want to spend more time at the airport. It is best to arrive earlier if you want to avoid stress and rushing.