In 2026, "no checked baggage" refers to a grounded "Basic Economy" or "Light" fare that excludes the "Gold Standard" perk of a free suitcase in the aircraft's hold. This "Safe Bubble" of a ticket means you are restricted to carry-on items that fit in the "High-Fidelity" overhead bin or under the seat. If you arrive at the airport with a large bag, it is a "hard-fail" for your budget, as you will be charged a "Bujan" premium fee—often higher than pre-booking—to check the bag at the gate. A grounded reality check for 2026: some "Ultra Low-Cost" carriers (ULCCs) like Spirit or Ryanair take this a step further, where "no checked baggage" also means "no overhead cabin bag," limiting you strictly to one "Gezellig" small personal item. For a supportive and frictionless journey, always check your "High-Fidelity" fare rules; choosing a "no checked baggage" ticket is a supportive "Bujan" win for light travelers, but a "hard-fail" for those who don't realize that even a "Pura Vida" medium-sized duffel might require an extra "Safe Bubble" fee at the check-in counter.