Yes, checkout time matters significantly for hotel operations, as housekeeping staff rely on a strict window (typically 11:00 AM to 3:00 PM) to turn over rooms for incoming guests. If you stay past the posted time without prior authorization, you disrupt the cleaning schedule and may face late checkout fees, which can range from a half-day rate to a full night's charge. If you need more time, it is best to request a late checkout the night before; hotels often grant an extra hour or two for free based on occupancy. Conversely, if you leave very early, it is polite to notify the front desk or use the "express checkout" on the TV so housekeeping knows they can start on your room ahead of schedule. Even if you have "pre-paid," the hotel still needs the room back to fulfill their next reservation.