Flights to Chicago O’Hare International Airport (ORD) delayed Aug 28, 2021

Flights to Chicago O’Hare International Airport (ORD) are being delayed at their departure airport for approximately 1 hour and 13 minutes because of thunderstorms in the area.

The FAA has issued a “ground stop” for all flights to Chicago O’Hare International Airport meaning that no new flights heading for this airport are allowed to leave at this time.

This post is updated every 15 minutes. All times are listed in local time for the airport.

Will my flight be impacted?

Probability your flight will be impacted based on how far in the future it is scheduled to leave:

60 Minutes Three Hours Six Hours
HIGH MEDIUM LOW

Predicting exactly when thunderstorms are scheduled to impact an airport is very difficult, so airlines may dispatch flights in the hopes that the weather will improve by the time the flight arrives. More common is that flights will be delayed until the thunderstorm has passed.

Why Is This Happening?

Here are the current weather conditions at Chicago O’Hare International Airport and an overview of what is required for “normal” operations:

Normal Current
Visibility Greater than 2 10.0
Wind Less than 11.8 MPH 9.4 MPH
Clouds Higher than 1,000 Scattered at 4,800
Scattered at 18,000

Today’s forecast includes thunderstorm, rain, mist.

The airport is currently experiencing delays because there are thunderstorms in the area. Thunderstorms are extremely dangerous to aircraft, with wildly shifting wind currents and severe turbulence. This can cause aircraft to crash on takeoff and landing, and even cause damage to aircraft on the ground. Thunderstorms usually roll into the area quickly and then leave just as fast, but the delays they cause can have knock-on impacts throughout the day.

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