JetBlue (JBLU) and Southwest Airlines (LUV) edged lower on Friday after BofA Global Research downgraded both stocks to ‘Underperform’ from ‘Neutral’. According to TheFly, the BofA analyst said both airlines trade at the high end of historical valuation ranges despite less exposure to "the strongest industry trends.

Airline stocks were mixed on Friday after Bank of America upgraded American Airlines Group Inc. and downgraded Southwest Airlines Co. and JetBlue Airways Corp., predicting that the network carriers will continue to outperform low-cost airlines due to demand for premium travel.

As part of a regulatory crackdown on “chronically” late flights, federal transport regulators are suing the carrier after reaching deals with two others.

The DOT's moves come weeks after issuing a multi-million dollar fine against JetBlue.

Southwest Airlines stock fell Thursday after the Department of Transportation sued the airline over a pair of "chronically delayed flights."

Snag one-way flights for as low as $49 on these airlines right now during winter deals taking place through Jan. 14.

A lawsuit filed against Southwest alleges the airline operated multiple “chronically delayed” flights affecting thousands of passengers.

The US Department of Transportation (USDOT) is suing Southwest Airlines for “illegally operating multiple chronically delayed flights and disrupting passengers’ travel,” according to a press release.

Shares of JetBlue Airways (JBLU) and Southwest Airlines (LUV) experienced a decline on Thursday after Bank of America (BofA) analysts issued a downgrade on both stocks, citing concerns over rising costs and weakening demand in the airline sector.

Commercial airlines had to divert or delay their flights to avoid debris from the SpaceX Starship spacecraft that exploded Thursday during a flight test.

The lawsuit alleges Southwest illegally operated chronically delayed flights and disrupted passengers' travel plans.