Morning grounding for Southwest planes leads to more than 2,220 delayed flights

DALLAS — Southwest Airlines planes were briefly grounded nationwide Tuesday for what the airline called an intermittent technology issue, leading to more than 2,200 delayed flights just four months after the carrier suffered a much bigger meltdown over the Christmas travel rush. The hold on departures was lifted by mid-morning Eastern time, according to Southwest LUV, and the Federal Aviation Administration, but not before traffic at airports from Denver to New York City backed up. “Southwest has resumed operations after temporarily pausing flight activity this morning to work through data...