More than 400 flights were delayed and 13 canceled at Denver International Airport on Saturday, September 19, 2026, due to severe thunderstorms affecting the Denver area.
The Federal Aviation Administration imposed a ground delay at Denver International Airport starting around 4 p.m. local time, which was expected to continue through 8 p.m. to regulate arrival traffic amid the adverse weather conditions.
FlightAware reported that flight delays at Denver International Airport included 266 United Airlines flights, 177 Southwest Airlines flights, 127 SkyWest Airlines flights, 39 Frontier Airlines flights, 25 Delta Air Lines flights, and 24 American Airlines flights. Flight cancellations comprised
5 United Airlines flights, 3 Southwest Airlines flights, 2 American Airlines flights, 2 Envoy Air flights, and 1 Delta Air Lines flight. By Saturday night, a total of 677 flights entering and leaving the airport experienced delays.
The disruption was caused by intense thunderstorms in the Denver area. The FAA’s ground delay was implemented as a measure to manage arrivals safely during the severe weather event.
The weather-related ground delay and cancellations significantly impacted flight schedules, leading to hundreds of arrivals and departures being delayed and forcing the cancellation of multiple flights at Denver International Airport.
The extent of the
travel disruption at Denver International Airport on September 19, 2026, reflected the severe impact of the thunderstorms and the FAA’s operational response to prioritize safety.
