Knowing whether you need to recheck your luggage on a connecting flight in 2026 depends on three main factors: your ticket type, your destination, and the airport's customs regulations. If you booked your entire journey under a single reservation (one PNR), the airline will usually "tag" your bag to its final destination, meaning you won't see it until you arrive. You can verify this by looking at the baggage tag receipt given to you at check-in; if the final airport code is your destination, it is "checked through." However, if you are entering a country for the first time on an international-to-domestic connection (most notably in the United States or Canada), you are often required by law to "claim and recheck" your bag at the first port of entry to clear customs, even if the tag says otherwise. Additionally, if you booked "self-transfer" flights on separate tickets, you must collect and recheck your bags at every connection point. Always ask the check-in agent, "Is my bag checked all the way through?" to be 100% certain.