Delta Airlines is very popular and is one of the oldest commercial airlines in the United States. It is important to be aware of both national and international baggage rules and regulations. At Delta airlines on different routes and to be familiar with them. Find out all the details. On the Delta Airlines baggage allowance, luggage size, bags, and extra baggage fees policy, if you’re traveling with Delta Airlines. Delta Flights International and Domestic Baggage Allowance International and Domestic Baggage Allowance International and Domestic Baggage Allowance Delta Flights Delta International and Domestic Baggage Allowance Flights International and Domestic Baggage Allowance Delta Delta airlines international and domestic baggage allowance