High Probability of Delays Expected at New York John F Kennedy International (JFK) on May 4, 2021

Delays are expected at New York John F Kennedy International (JFK) today. All times on this page are displayed in local time for New York John F Kennedy International .

Risk Beginning Ending Details
High 2:00 AM on 5/4 5:00 AM on 5/4 More information
High 5:00 AM on 5/4 9:00 AM on 5/4 More information
Medium 9:00 AM on 5/4 11:00 AM on 5/4 More information
Medium 10:00 PM on 5/4 2:00 AM on 5/5 More information

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High Probability of Delays Between 2:00 AM on 5/4 and 5:00 AM on 5/4

During this time period the airport expects to experience low clouds and low visibility which will cause a high likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None Mist, rain

Visibility Greater than 2 10
Wind Less than 11.8 MPH 9.4 MPH
Clouds Higher than 1,000 Overcast at 300

While the weather conditions should be good enough to land aircraft the low visibility caused by these weather conditions will probably require ATC to slow down the flow of traffic to ensure that aircraft arrive safely.

High Probability of Delays Between 5:00 AM on 5/4 and 9:00 AM on 5/4

During this time period the airport expects to experience low clouds which will cause a high likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None Mist

Visibility Greater than 2 1.5
Wind Less than 11.8 MPH 7.1 MPH
Clouds Higher than 1,000 Overcast at 300

While the weather conditions should be good enough to land aircraft the low visibility caused by these weather conditions will probably require ATC to slow down the flow of traffic to ensure that aircraft arrive safely.

Medium Probability of Delays Between 9:00 AM on 5/4 AND 11:00 AM on 5/4

During this time period the airport expects to experience mist which will cause a medium likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None Mist

Visibility Greater than 2 10
Wind Less than 11.8 MPH 9.4 MPH
Clouds Higher than 1,000 Overcast at 1,200

Medium Probability of Delays Between 10:00 PM on 5/4 AND 2:00 AM on 5/5

During this time period the airport expects to experience low clouds and mist which will cause a medium likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None Mist, rain

Visibility Greater than 2 10
Wind Less than 11.8 MPH 9.4 MPH
Clouds Higher than 1,000 Overcast at 800

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