The Biden administration has sought to eliminate airline "junk fees," which are unexpected and obscured additional costs on travel tickets.

The airline's CEO, Ed Bastian, says the massive tech outage that stranded countless passengers cost the airline a half-billion dollars. The carrier is now preparing litigation against CrowdStrike, he said.

Farming and biofuels organizations are hopeful that ethanol could be used to power passenger jets, but making that dream a reality hasn't been easy.

BARK Air says it built its experience "dog first," offering perks like puppucchinos and pheromone blankets. It's flying between New York and LA or London and plans to add more routes soon.