In 2026, many airlines have implemented stricter, standardized weight limits for carry-on bags to ensure cabin safety and overhead bin efficiency. On many international and domestic routes, particularly in Economy Class, the limit is often capped at 7 kg (approx. 15 lbs). Some premium or full-service carriers allow a slightly more generous limit, such as 8 kg or 10 kg, while Business and First Class passengers might be permitted up to 14 kg or 15 kg, sometimes split across two pieces. These limits are especially common on "Low-Cost Carriers" (LCCs) and in regions like India, where the "One Hand Baggage Rule" is strictly enforced by security. A grounded peer tip for 2026 is that airlines are increasingly using automatic bag-weighing kiosks near the gate; if your bag exceeds the limit, you may be forced to "gate-check" it and pay a fee that can range from $35 to $75. While U.S. domestic carriers like Delta or United rarely weigh carry-ons for standard tickets, they still enforce size limits (typically 22 x 14 x 9 inches), so always check your specific ticket's "baggage details" to avoid a last-minute surprise.