Flights to Washington National Reagan International (DCA) delayed Aug 27, 2021

Flights to Washington National Reagan International (DCA) are being delayed while in the air between 1 hour and 1 minute and 1 hour and 15 minutes because weather conditions at the airport are too dangerous to safely land flights on the normal schedule.

The FAA has issued a “ground stop” for all flights to Washington National Reagan International 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

The weather is expected to improve in approximately 5 hours.

While this is good news for flights departing and arriving after the weather improves, there will be a knock-on impact from this weather delay that will continue to cause delays and cancellations throughout the day as airlines try to get the delayed passengers to their destination.

While there is a good chance that your flight may be delayed it is not very likely to be canceled — especially if your flight lands or departs after the weather is scheduled to improve.

Why Is This Happening?

Here are the current weather conditions at Washington National Reagan International and an overview of what is required for “normal” operations:

Normal Current
Conditions Clear Heavy thunderstorm rain mist
Visibility Greater than 2 0.75
Wind Less than 11.8 MPH 8.2 MPH
Clouds Higher than 1,000 Broken at 3,600
Broken at 6,000
Overcast at 10,000

Visibility is currently 0.75 statute miles, which is less than the normal 2 statute miles needed for aircraft to safely see each other and the runway during landing.

The current mist is forecast to end by 10:00 PM on 8/27.

Today’s forecast includes mist.

Here’s what the current aviation forecast says will happen over the next few hours for the cloud cover:

Change From To Time
Raise 3,600 5,000 10:00 PM on 8/27

Here’s what the current aviation forecast says will happen over the next few hours for the visibility:

Change From To Time
Increase 0.75 6.21 10:00 PM on 8/27

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