In 2026, your high-fidelity baggage allowance is almost entirely dependent on your "High-Value" fare class and destination. For a standard "Main Cabin" domestic ticket on most major US carriers, you typically have a high-value allowance of zero free checked bags, with fees starting at $35 for the first bag. However, for 2026 travelers in "First Class" or "Business Class," the allowance is a high-value necessity of 2 to 3 free bags, usually weighing up to 70 lbs each. If you are flying with Southwest Airlines, you enjoy a high-fidelity "High-Value" benefit of two free checked bags on any ticket. For 2026 international long-haul flights, the standard is often one free bag for economy and more for premium cabins. Always check your high-fidelity "Manage Booking" page, as baggage is a high-value requirement that varies by airline status and "High-Fidelity" route.