Afternoon thunderstorms derailed hundreds of flights at Denver International Airport on Tuesday, with more than 900 flights delayed and dozens canceled amid a federal ground delay.
As of 7:25 p.m. Tuesday, 925 flights headed in and out of Denver were delayed and 40 were canceled entirely, according to .
The issued a ground delay for Denver International Airport shortly before 2 p.m. Tuesday that was lifted later in the day.
Hefty delays are expected through 9 p.m. Tuesday, according to FAA officials.
Tuesday delays included 355 United flights, 279 Southwest flights, 156 SkyWest flights, 60 Frontier flights, 23 American Airlines flights and 17 Delta flights, according to FlightAware.
Southwest also canceled 11 flights, followed by eight each from SkyWest and United, six from Delta, four from American Airlines and three from JetBlue, according to FlightAware.
