Ground stop at New York JFK (JFK), Nov 12, 2026

EndedThunderstorms halt JFK departures for nearly two hours

Started: Thu, Nov 12, 1:12 PM EST18:12 UTC
Ended: Thu, Nov 12, 3:04 PM EST20:04 UTC
Duration: 1 hr 52 min
Cause: thunderstorms; Extended 2 times

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What happened

AI-written · may contain mistakes. Written from the advisory text and weather only.

Cause: Thunderstorms near the airport, with heavy rain, a flash flood warning and a severe storm advisory, led air traffic control to hold departures for safety.

The ground stop at JFK began at 18:12 UTC on November 12, 2026, and ended at 20:04 UTC, lasting 1 hr 52 min. It was extended twice, first to 3:00 pm EST and then to 3:45 pm EST. Departures were also held from one additional air traffic control center during the stop.

Impact by airline

Aircraft seen on the ground at JFK and holding nearby, by airline.

Airline	On ground	Holding
Delta Air Lines DL	3	—
JetBlue B6	3	—
Alaska Airlines AS	1	—
Caribbean Airlines BW	1	—

Impact by region

Air traffic control centers whose departures to the airport were held.

Center	Status
Chicago Center (ZAU)	Held
Boston Center (ZBW)	Held
Washington Center (ZDC)	Held
Indianapolis Center (ZID)	Held
Jacksonville Center (ZJX)	Held
Miami Center (ZMA)	Held
Minneapolis Center (ZMP)	Held
New York Center (ZNY)	Held
Cleveland Center (ZOB)	Held
Atlanta Center (ZTL)	Held

Aircraft at the airport

Peak 10 on the ground, 0 holding nearby.

On the ground Holding nearby

Timeline

Every change published while the ground stop was in effect, as seen each minute.

Nov 12, 1:12 PM EST
Ground stop issued at JFK for thunderstorms, until 2:30 pm EST. Departures held from ZAU, ZTL, ZDC, ZNY and 5 more.
Nov 12, 1:48 PM EST
Extended until 3:00 pm EST.
Nov 12, 1:48 PM EST
Chance of extension now medium.
Nov 12, 1:48 PM EST
Scope widened: departures now also held from ZMA.
Nov 12, 1:48 PM EST
New advisory issued.
Read the advisory ↗
Nov 12, 2:51 PM EST
Reason changed to thunderstorms.
Nov 12, 2:51 PM EST
Extended until 3:45 pm EST.
Nov 12, 2:52 PM EST
Reason changed to thunderstorms.
Nov 12, 2:52 PM EST
New advisory issued.
Read the advisory ↗
Nov 12, 3:04 PM EST
Ground stop ended after 1 hr 52 min.

Advisories

The air traffic control advisories issued for this ground stop, as published.

ATCSCC ADVZY 090 JFK/ZNY 11/12/2026 CDM GROUND STOP

CTL ELEMENT: JFK
ELEMENT TYPE: APT
ADL TIME: 1946Z
GROUND STOP PERIOD: 12/1938Z - 12/2045Z
DEP FACILITIES INCLUDED: (Manual) ZAU ZTL ZDC ZNY ZJX ZOB ZBW ZMA ZID
 ZMP  CYHZ CYOW CYUL CYYZ CYTZ CYQB
PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 1956 / 126 / 28
NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 4702 / 174 / 66
PROBABILITY OF EXTENSION: MEDIUM
IMPACTING CONDITION: WEATHER / THUNDERSTORMS
COMMENTS: GS EXTENDED. GDP TO FOLLOW.

Original advisory ↗

ATCSCC ADVZY 075 JFK/ZNY 11/12/2026 CDM GROUND STOP

CTL ELEMENT: JFK
ELEMENT TYPE: APT
ADL TIME: 1840Z
GROUND STOP PERIOD: 12/1815Z - 12/2000Z
DEP FACILITIES INCLUDED: (Manual) ZAU ZTL ZDC ZNY ZJX ZOB ZBW ZMA ZID
 ZMP  CYHZ CYOW CYUL CYYZ CYTZ CYQB
PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 1148 / 106 / 26
NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 2351 / 136 / 52
PROBABILITY OF EXTENSION: MEDIUM
IMPACTING CONDITION: WEATHER / THUNDERSTORMS
COMMENTS: EXPECT A GDP TO EXIT THE GORUND STOP.

Original advisory ↗

ATCSCC ADVZY 068 JFK/ZNY 11/12/2026 CDM GROUND STOP

CTL ELEMENT: JFK
ELEMENT TYPE: APT
ADL TIME: 1809Z
GROUND STOP PERIOD: 12/1759Z - 12/1930Z
DEP FACILITIES INCLUDED: (Manual) ZAU ZTL ZDC ZNY ZJX ZOB ZBW ZID ZMP
  CYHZ CYOW CYUL CYYZ CYTZ CYQB
PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 468 / 76 / 16
NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 1582 / 106 / 53
PROBABILITY OF EXTENSION: HIGH
IMPACTING CONDITION: WEATHER / THUNDERSTORMS
COMMENTS: SCOPE EXPANDED TO A 2ND TIER WITH A TIME EXTENSION TO
 1930Z.

Original advisory ↗

Where flights were held

Departures to JFK were held from 10 centers (Manual).

Chance of extension: MEDIUM

Weather at the time

METAR, weather alerts and SIGMETs at the airport during the stop.

When it started

MVFR

METAR KJFK 121751Z 07016KT 7SM -TSRA SCT008 BKN018 OVC030CB 13/12 A2948 RMK AO2 PK WND 10026/1657 SLP982 FRQ LTGICCG OHD-SW TS OHD-SW MOV N P0012 60012 T01330117 10161 20133 58045 $ · observed Nov 12, 12:51 PM EST

Over the airport: Convective SIGMET 59E.

Latest during the stop

MVFR

METAR KJFK 121951Z 01009KT 6SM -TSRA BR FEW009 BKN023 OVC034CB 11/11 A2945 RMK AO2 PK WND 04034/1852 GRB1857E08 SLP971 VIS SW-W 2 1/2 OCNL LTGIC NE-SW TS NE-SW MOV N P0157 T01110106 $ · observed Nov 12, 2:51 PM EST

Flash Flood Warning · Flash Flood Warning issued November 12 at 2:10PM EST until November 12 at 5:15PM EST by NWS Upton NY

Over the airport: Convective SIGMET 67E.

In the news

Headlines that mention this airport and the disruption. Links open the publisher.

Rain and wind force air travel delays around New York City
New York Daily News · Nov 12, 2:42 PM EST

New York JFK (JFK) live status →Every ground stop at JFK →Replay Nov 12, 2026 on the map →Read the full advisory ↗What is a ground stop? →

How it is measured

Status, timeline, cause and held centers: the national airspace status feed, checked every minute, and the air traffic control advisories it links to.
Delays by airline and region: departures and arrivals at JFK 30 or more minutes late, by their estimated delay against the schedule, sampled every 10 minutes while the stop is active and once more after it ends.
Totals and cancellations: arrival and departure boards for JFK, every 30 minutes while active and once more after the end. Delayed means 15 or more minutes late at JFK; cancelled is the airline's cancelled status; codeshares count once. Flights scheduled from the start until an hour after the end are counted.
Held at origin: the same arrivals boards, which carry each flight's scheduled and actual departure from its origin. A flight is held when it is still scheduled, not departed, 15 or more minutes past its scheduled departure at a sample taken during the stop. In scope: its origin is in a held center or listed facility; flights from elsewhere are late for other reasons.
Inbound in the air: the same arrivals boards. At each board taken during the stop, a flight to JFK is in the air when it has departed (en route, or with an actual departure time) and not landed, cancelled or diverted; one still shown in the air over an hour past its arrival estimate, or departed more than 18 hours earlier, is treated as stale and left out.
Diversions: an inbound flight marked diverted during the stop or the wrap-up after it (not one marked before it could have departed), or one still shown in the air 30+ minutes past its arrival estimate that ADS-B (by its ICAO call sign) then found on the ground at another airport, not its origin. The diversion airport is the airport ADS-B found it at, else the updated destination. Cancellations never count. Regional flights flown under another call sign can't be found on ADS-B, so their diversion airport may be unknown.
Aircraft on the ground and holding: ADS-B positions around JFK, every 5 minutes; the airline is read from the call sign. Holding counts airline flights only (passenger, regional and cargo), not private, military or medical flights.
Weather: METARs, SIGMETs and weather alerts.
News: headline links filtered to this airport and these days; we show titles and links only.

Data sources are listed on the credits page.