All arriving and departing flights at Denver International Airport were temporarily suspended Monday afternoon because of a severe thunderstorm.

The air traffic shutdown happened at about 3:45 p.m., said Emily Williams, a DIA spokeswoman. The extreme measure were implemented out of safety concerns, Williams said.

The hold on arriving and departing flights was lifted at about 5:15 p.m., according to authorities.

Some flights were diverted to other cities. People using the airport this evening should call to check on the status of flights.

At about 7 p.m., total flight delays in Denver were at 590, according to FlightAware.com. DIA typically has about 1,500 flights daily. On Monday, 91 flights at DIA were canceled, mostly due to the sever weather and the shut down.

Airport officials described the storm as an isolated incident and expected the airport to be back to normal Tuesday morning.