When you fail to show up for a hotel reservation without canceling, it is classified as a "no-show," and the consequences are primarily financial. Most hotels will charge a no-show fee, which is typically the full price of the first night’s stay plus taxes. If you booked a "Non-Refundable" or "Prepaid" rate, you will likely lose the entire amount for the full duration of your stay. Beyond the immediate charge, the hotel will usually cancel the remainder of your reservation to free up the room for other guests. If you booked through a third-party site like Expedia or Booking.com, you might also face additional service fees or even a "flag" on your account for future bookings. To mitigate these costs, it is essential to call the hotel as soon as you know you won't make it; in 2026, many managers are willing to waive or reduce fees if the delay is due to a flight cancellation or medical emergency, provided you communicate with them before the official check-in time passes.