Delta Air Lines has announced the introduction of "basic" fares to its premium cabins, including business class and premium economy. This move aims to provide customers with more options, but it also brings new restrictions to these high-end fares.

Delta Air Lines has announced the introduction of "basic" fares to its premium cabins, including business class and premium economy. This move aims to provide customers with more options, but it also brings new restrictions to these high-end fares.
