Yes, airlines in 2026 are more obsessed with luggage weight than ever before due to rising fuel costs and stricter environmental regulations. For checked baggage, most airlines enforce a strict limit of 23 kg (50 lbs) for Economy and 32 kg (70 lbs) for Business Class; exceeding these by even 1 kg often triggers an "excess baggage fee" ranging from $50 to $200. More significantly, 2026 has seen a global crackdown on carry-on weight. Many carriers (especially in Asia and Europe, and increasingly in the U.S.) now strictly enforce a 7 kg (15 lbs) limit for cabin bags. Some airports have even introduced "smart scales" at security gates that automatically flag overweight carry-ons. This isn't just about profit; it's about "Weight and Balance" calculations that are critical for fuel efficiency and safe take-off performance in modern aviation.