As of 2010, Delta airlines allows one carry-on bag and one personal item, such as a purse or laptop bag. These are stored underneath the seat in front of you. Your carry-on bag must easily fit in the overhead luggage compartments. The bag can be no bigger than 22 by 14 by 9 inches, or 45 linear inches. Your bag should weigh 11 pounds or less.
Checked luggage should weigh less than 50 pounds and be no larger than 62 inches in combined length, weight and height. Domestic flight passengers are charged $25 for the first bag and $35 for a second bag. It is possible to check additional bags; however, this is dependent on the aircraft size and the number of bags checked in by additional passengers on the flight.
You may check in bags that weigh up to 100 pounds on domestic flights for an additional fee. For luggage up to 70 pounds, you will be charged an additional $90, and bags that weigh between 70 and 100 pounds will cost you $175. If you are traveling to Europe, your bag may not weigh more than 70 pounds and will cost you an additional $150.
Bags that are larger than 115 inches total are not accepted. For bags that are 63 inches to 80 inches, an additional $175 is charged regardless of weight. Baggage up to 115 inches will cost you $300.
