Delta has owned a variety of the 767 series and currently maintains the largest existing fleet of the jet family. The last 767-200 was retired in 2006, and the final flight of a Delta-liveried 767-300 touched down in 2019. Since then, the remaining 767-300s and -400s have continued to serve in their stead.

Delta Air Lines says it is rolling out “personalized fares,” which sounds benign and even sweet but is precisely the opposite. What is really going on is that the massive airline is phasing in artificial intelligence-powered ticket pricing that may ...