Southwest Airlines June 15, 2021 6:56 am Southwest Flights Resume After Full Ground Stop Southwest Airlines resumed operations Monday night after an issue with its weather data provider grounded hundreds of flights nationwide, including at Logan Airport. US & World Videos 3:13 Weather forecast: Clear and sunny, with temps in the 70s 1:29 Sumner Tunnel in Boston to close for one month 2:17 Police testimony continues in Karen Read murder trial 2:03 Mass. school officials threaten to suspend student protesters 2:13 Karen Read trial Day 6: Witness testimony resumes