If you miss your scheduled check-in window at the Eurotunnel Le Shuttle (the car transport service between Folkestone and Calais), the outcome depends on the type of ticket you purchased. For standard "Short Stay" or "Standard" tickets, you are generally required to arrive at least 45 minutes to 2 hours before your departure. If you arrive late, Eurotunnel will typically try to put you on the next available shuttle for no extra charge, provided there is space. However, during peak periods like summer weekends or holidays, you might have to wait several hours for an opening. If you arrive more than 2 hours late, your ticket technically expires, and you may be required to purchase a new one at the current "gate price," which is significantly higher than pre-booked rates. For those with "Flexiplus" tickets, there is no stress; you can arrive whenever you want on your booked day, and you will be placed on the very next available departure with priority boarding. Always check the Eurotunnel Twitter (X) feed or app for "Live Travel Space" updates if you are running behind, as they provide real-time info on waiting times for late arrivals.