Topline
Thousands of flights in the U.S. were delayed Monday, as airports along the East Coast and across the Plains warned of hours-long delays amid severe thunderstorms.
Travel has been snarled by ground delays of over three hours.
Key Facts
There were 8,831 flight delays and more than 1,600 cancellations in and out of U.S. airports as of 7:30 p.m. EDT, according to FlightAware.
Some airports, including New York’s John F. Kennedy International, warned of ground delays longer than three hours, with other delays exceeding one hour at LaGuardia Airport, Philadelphia International and Newark Liberty International, among others.
Delays impacted about 36% of flights traveling to Tampa International, 33% to Denver International, 34% to Orlando International and 37% to George Bush Intercontinental Airport in Houston.
Several airports in the Northeast and South had at least 25% of total departing flights delayed, including Reagan National in Washington, D.C., Newark Liberty International, Baltimore-Washington International and Fort Lauderdale International.
Where Are Ground Stops Issued?
Several airports have requested flights remain on the ground, citing thunderstorms, according to the Federal Aviation Administration. Among the airports affected are Boston Logan International, Baltimore-Washington International, Reagan National, Newark Liberty International, Denver International, John F. Kennedy International, Philadelphia International and Tampa International.
Where Are Thunderstorms Forecast Monday?
Additional strong to severe thunderstorms are expected across the East Coast as well as parts of the South and the northern Central Plains, according to the National Weather Service. Thunderstorms will likely develop through western Montana and into Colorado overnight, the agency said, with “greater thunderstorm coverage” forecast across the East Coast from southern Maine to the southern Florida coast.
Further Reading
Source: https://www.forbes.com/sites/tylerroush/2025/07/14/over-10000-us-flights-disrupted-as-thunderstorms-pummel-east-coast-monday/