Airlines say lower domestic fares threaten record revenue growth
Scott Olson | Getty ImagesSky-high airfare was a boon for U.S. airlines coming out of the Covid-19 pandemic.But airline executives are now seeing lower domestic fares as carriers' schedules swell and customers opt for trips abroad over closer destinations that were popular during the pandemic.Southwest Airlines, Alaska Airlines and American Airlines are among the carriers that have forecast slower revenue growth or weakness for the third quarter, despite strong demand.The NYSE Arca Airline Index is down more than 6% this…