Flight Disruptions Now

July 28, 2026

JFK and LaGuardia's delay programs are cancelled as cancellations gut demand, while DC joins the delay list and the afternoon storm risk shifts south

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The noon update: the FAA cancelled JFK and LaGuardia's ground delay programs because nearly 800 New York-area cancellations already cut inbound demand below what N90 can handle, LaGuardia is now reporting on-time, but Newark, Philadelphia, Boston, and Washington Reagan are running delay programs, with Reagan newly added to the active list through 10:59 PM Eastern, US cancellations climbed to 1,628, an F11 TRACON staffing trigger is set for the evening, and the afternoon storm risk shifts south toward Dulles, Baltimore, Florida, Charlotte, and Denver.

The disruption has migrated since the 9 AM update. The headline then was that the Northeast storm wall had gone live, with JFK, LaGuardia, Newark, and Teterboro under thunderstorm ground stops. By noon the ground stops at the New York majors had lifted, and the FAA's latest operations plan (ADVZY 124, signed 11:51 AM Eastern) cancelled the JFK and LaGuardia ground delay programs outright. The reason, in the FAA's own words, is the part worth understanding: "JFK and LGA GDPs were cancelled due to significant cancellations, N90 said they are able to handle the inbound traffic without issue."

The cancellations did the work the ground delay program was built to do

A ground delay program is the FAA's gentler metering tool: instead of holding planes in the air or on the ground at the destination, it assigns each inbound flight a later departure time at its origin, spreading the pain across the country. The FAA cancels a GDP when the metering becomes redundant, and here it became redundant because the airlines did the demand-cutting themselves. Nearly 800 flights were scrapped across the New York area Tuesday morning, NY1 and Open Jaw report, citing FAA and FlightAware figures: LaGuardia 339 cancellations and 110 delays, JFK 304 and 80, Newark 155 and 59, as of 9 AM. JetBlue alone canceled 139 flights at JFK, per TheTravel.

So "GDP cancelled" is good news and bad news at once. Good for the travelers whose flights survived: LaGuardia is now showing on-time (as of 12:01 PM Eastern) and JFK is down to 15-to-29-minute weather departure delays. Bad for the thousands already canceled, and a reminder that the disruption didn't end, it moved. By noon FlightAware counted 1,628 US cancellations and 2,486 US delays for the day, up from the 1,211 cancellations the morning issue reported.

Five airports still hold delay programs, and DC just joined

The GDP cancellations were a New York story. Everywhere else the programs held or expanded. Per ADVZY 124, the active ground delay programs run to:

The FAA also has an airspace flow program (FCAP93) running for the Newark satellite arrivals until 5:59 PM Eastern, a heavier piece of metering layered on top of the Newark GDP. The ZNY TMU staffing trigger the morning issue flagged runs until 1 PM Eastern, and the FAA added an F11 TRACON staffing trigger for the evening, 7 PM to midnight Eastern, a signal that the controller-shortage constraint is expected to outlast the morning weather.

The afternoon risk shifts south and a second wave aims at the evening commute

The noon lull at New York is not a resolution. The FAA's forward plan moves the ground-stop risk away from the saturated Northeast and toward the Mid-Atlantic, Florida, and the Mountain West through tonight:

The FAA's daily air traffic report for Tuesday names the same geography: thunderstorms could delay Charlotte, Denver, Philadelphia, the Florida airports, New York, and the DC airports. The weather side is a second, longer-fuse threat. ABC7 New York reports a Flood Watch for the city and Tri-State through Wednesday morning, with storms starting in the early afternoon, threatening the evening commute, and continuing into the late evening. Rainfall rates of 2 to 3 inches an hour are possible, with isolated tornadoes forecast from Washington to Boston, including New York and Philadelphia. In other words, the system that forced this morning's 800 cancellations is forecast to reload and hit the same corridor again around rush hour.

The next FAA planning webinar is at 1:15 PM Eastern, which is where any sharpening of the afternoon watch, or new waivers, would surface.

Rebooking: all four majors still have waivers open

If you are flying to, from, or through the affected airports today, the change-fee waivers are still active and are the fastest path to a seat on a later flight:

The practical catch on every one of these is the same: rebook now, before the second wave drives another surge of rebooking demand, and keep the new flight in the same cabin and between the same cities or the fare difference comes back. If your flight is canceled outright, a refund to your original form of payment is generally available even outside the waiver.

That’s the reading for this issue.