Passenger traffic changes throughout the day, so security screening times may be shorter during quieter hours and longer during peak departure periods. Suvarnabhumi Airport Security Wait Times Planning ahead is the easiest way to avoid unnecessary stress. Arrive well before your flight, organize your travel documents, and follow airport rules for liquids and electronic devices. If your airline offers online check-in, use it to save time at the airport. A little preparation before leaving home can help you move through the checkpoint more efficiently and enjoy a smoother beginning to your trip.