From luggage dimensions to what items you're permitted to bring aboard with you, it can all get pretty stressful. ‌So to help clarify matters, and get passengers prepared for their holidays, an Aer Lingus insider has shared the three steps you should take before your flight. ‌The employee "works at the airport every day", so they know what they're talking about. After checking your bag, the employee emphasised it's crucial to keep your luggage receipt secure, just in case. Pack your hand luggage for comfort‌The Aer Lingus employee urged people to pack their hand luggage with comfort as a priority.