When you gate-check a bag, it follows one of two paths depending on the size of the aircraft. For larger "mainline" jets, your bag is taken down the jet bridge stairs by a ramp agent and placed into the aircraft's cargo hold, which is a pressurized and temperature-controlled section right below your feet. These bags are typically processed at the baggage claim carousel at your final destination, just like a standard checked bag. However, for smaller regional "Commuter" planes, gate-checked bags are often placed in a "valet" section of the hold and are returned to you on the jet bridge or tarmac immediately after you deplane. A grounded peer tip for 2026: always ensure your bag has a "Gold Standard" luggage tag with your contact info, and remember to remove any lithium batteries or "critical" medications before handing it over. This supportive process helps airlines manage overhead bin space, but the "hard-fail" of having your bag in the hold means you won't have access to your laptop or chargers until you land, so plan your "personal item" carefully.