(CNN) — Major flight cancellations on day two after thunderstorms hit major east coast airports on Thursday It has spread.
As of 12:45 pm ET Friday, flight tracking site FlightAware showed that more than 1,000 flights have been canceled in the United States. Newark Liberty International Airport and Reagan National Airport outside Washington, D.C. topped the list of cancellations.
On Thursday, the airline canceled his 1,248 flights nationwide. This turned out to be the worst day in the last 6 weeks. Southwest Airlines canceled his 370 flights, or 9% of Thursday's schedule. Southwest Airlines has delayed another 1,800 flights. That's 46% of what's planned for Thursday.
Airlines are struggling with flight cancellations this summer as they face staffing shortages, bad weather and air traffic control delays.
American Airlines canceled more than 200 flights by noon on Friday.
On Thursday, the US Transportation Security Administration screened more than 2.3 million passengers at airport security checkpoints across the country. That's about 87% of the same weekday in 2019.
The US Department of Transportation on Wednesday proposed rules that would expand the circumstances under which airline passengers can receive refunds.
The proposal comes amid a flood of complaints from passengers seeking refunds from airlines since the outbreak of the pandemic.