A guide shared as schools start their summer break says UK airports are preparing for higher passenger numbers and increased activity around rush hours. The article focuses on common etiquette questions for travellers, including what passengers should wear, whether going barefoot is ever acceptable in airport lounges, and guidance on arrival times. It argues that arriving too early can be disruptive, while being mindful of shared spaces and other passengers can help improve the flow of travel during busy periods. The guidance is attributed to Julius Smith and is presented as practical advice for managing typical airport dilemmas that arise when airports are crowded. Overall, the piece frames airport etiquette as a way to reduce friction and maintain order as more people travel for the summer. The sources do not report any specific incidents or changes to official airport rules, but instead compile general behavioural recommendations for travellers during peak season.