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JetBlue is planning to cut crew bases at Newark Liberty International Airport in New Jersey and New York's LaGuardia Airport.

JetBlue faces heavy competition from Miami International Airport, an American Airlines stronghold.

The expected travel boom from the World Cup is looking like it will be a city-by-city, match-by-match test of pricing power.

Airline CEOs met in Rio de Janeiro at IATA, the International Air Transport Association's annual meeting.

Airline CEOs complained that engine makers aren't making enough of their engines or that they're reliable enough.

When asked about a wave of consolidation among airlines, Kirby said further combination opportunities look unlikely: "There's nothing."

"The big unknown is how long travelers and shippers can tolerate the higher costs," IATA's Willie Walsh said.

Delta's president, Peter Carter, told CNBC that the carrier wants to take United on over the Pacific.

CNBC's Jim Cramer warned that rising interest rates, elevated oil prices, and a wave of AI-related stock offerings could continue to pressure the market.