Flights to New York John F Kennedy International (JFK) delayed Aug 21, 2021

Flights to New York John F Kennedy International (JFK) are being delayed while in the air between 16 minutes and 30 minutes because weather conditions at the airport are too dangerous to safely land flights on the normal schedule.

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 get worse before it gets better.

Airlines have a tendency to have a “wait and see” approach to weather, so they may delay your flight gambling that the weather will improve sooner than forecast. In these situations expect to see your departure time shifting further into the future in roughly 30 minute increments. Other flights may be canceled outright, opting to re-book passengers on flights that are more likely to depart on time than to keep the crew and ground staff waiting around when they could be better used elsewhere.

In these situations it is highly likely that your flight will be delayed, and somewhat likely that your flight may be canceled.

Why Is This Happening?

Here are the current weather conditions at New York John F Kennedy International and an overview of what is required for “normal” operations:

Normal Current
Conditions Clear Light rain
Visibility Greater than 2 8.0
Wind Less than 11.8 MPH 0.0 MPH
Clouds Higher than 1,000 Broken at 900
Overcast at 1,900

The clouds are currently 900 feet off the ground, while flights typically need at least 1,000 feet to safely land on the normal schedule.

The current rain is forecast to end by 2:00 AM on 8/22.

Today’s forecast includes rain.

Cloud conditions are not expected to change significantly between now and 2:00 AM on 8/23.

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

Change From To Time
Decrease 8.0 3.0 2:00 AM on 8/22
Increase 3.0 5.0 10:00 PM on 8/22

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