Southwest Airlines Co. plunged after the carrier said it expects economic turmoil to wipe out as much as $1 billion of its ...

Wall Street investors punished Southwest for chopping its 2025 profit outlook by up to 65%, as the carrier’s executives implement changes driven by its activist investor.

Southwest Airlines on Wednesday posted second-quarter earnings and revenue that fell short of Wall Street’s estimates but ...

Airline and aerospace groups warned that President Donald Trump’s tariffs on planes, engines and parts could increase ticket prices, harm the supply chain and threaten aviation safety.