When flying with Delta Airlines, you can bring one carry-on bag and one personal item for free. Due to lack of space, less than 50 people can get their personal items. As per the Delta Airlines baggage allowance policy & fee rules, your carry-on bag should not exceed 56 x 35 x 23 cm. Delta Airlines will transfer your luggage into the cargo area if you bring a heavy bag. If you're flying in economy class, your checked luggage can weigh up to 50 pounds, and 154 pounds if you're flying business or first class. https://flightcancellationpolicy.com/delta-airlines-baggage-allowance