Delta Air Lines enforces specific baggage size restrictions to ensure smooth travel. For checked baggage, the maximum dimensions are **62 linear inches (157 cm)**, calculated by adding the length, width, and height. The standard weight limit is **50 pounds (23 kg)** for Economy Class and **70 pounds (32 kg)** for First Class or Delta One passengers. Carry-on bags must not exceed **22 x 14 x 9 inches (56 x 36 x 23 cm)**, including handles and wheels, and must fit in the overhead bin. Passengers may also bring one personal item, such as a laptop bag or purse, that fits under the seat.