What happened
Cause: Thunderstorms with heavy rain, lightning and low clouds at Newark led air traffic control to hold flights from taking off.
The ground stop began at 21:36 UTC and was widened at 22:01 UTC to hold departures from two air traffic control centers. At 22:22 UTC it was extended until 6:30 pm EST, and it ended at 23:30 UTC after 1 hour 54 minutes.
Impact by airline
- Delayed 30+ min
- 111
- Arrivals / departures
- 53 / 58
| Airline | Delayed | Avg delay | On ground | Holding |
|---|---|---|---|---|
| United Airlines UA | 76 | 145 min | 3 | — |
| Alaska Airlines AS | 9 | 115 min | — | — |
| American Airlines AA | 8 | 259 min | — | — |
| Delta Air Lines DL | 7 | 220 min | — | — |
| JetBlue B6 | 3 | 157 min | 2 | — |
| Republic Airways YX | 3 | 291 min | 2 | — |
| Air Canada AC | 3 | 169 min | — | — |
| GoJet Airlines G7 | 1 | 151 min | — | — |
| Breeze Airways MX | 1 | 80 min | — | — |
Delayed 30+ minOn ground / holding: most seen at once.
Held at origin
- Held at origin
- 0
- Average held
- —
- Longest
- —
No inbound flight has been seen held at its origin during this stop.
Inbound in the air and diversions
- Diverted
- 0
Diversions
No inbound flight has been seen diverting during this stop.
Impact by region
| Center | Status | Delayed |
|---|---|---|
| Washington Center (ZDC) | Held | 6 |
| Cleveland Center (ZOB) | Held | 6 |
| Miami Center (ZMA) | Not held | 9 |
| Outside the US centers | Not held | 8 |
| Jacksonville Center (ZJX) | Not held | 4 |
| Los Angeles Center (ZLA) | Not held | 4 |
| Atlanta Center (ZTL) | Not held | 4 |
| Chicago Center (ZAU) | Not held | 3 |
| Houston Center (ZHU) | Not held | 3 |
| Albuquerque Center (ZAB) | Not held | 1 |
| Boston Center (ZBW) | Not held | 1 |
| Fort Worth Center (ZFW) | Not held | 1 |
| Minneapolis Center (ZMP) | Not held | 1 |
| Oakland Center (ZOA) | Not held | 1 |
| San Juan Center (ZSU) | Not held | 1 |
Timeline
Ground stop issued at EWR for thunderstorms, until 5:30 pm EST. Departures held from ZDC.
Scope widened: departures now also held from ZOB.
New advisory issued.
Read the advisory ↗Reason changed to thunderstorms.
Extended until 6:30 pm EST.
New advisory issued.
Read the advisory ↗Reason changed to thunderstorms.
Ground stop ended after 1 hr 54 min.
Advisories
ATCSCC ADVZY 143 EWR/ZNY 11/12/2026 CDM GROUND STOP
CTL ELEMENT: EWR ELEMENT TYPE: APT ADL TIME: 2214Z GROUND STOP PERIOD: 12/2204Z - 12/2330Z CUMULATIVE PROGRAM PERIOD: 12/1937Z - 13/0459Z DEP FACILITIES INCLUDED: (Manual) ZDC ZOB PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 430 / 167 / 29 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 1076 / 200 / 72 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: WEATHER / THUNDERSTORMS COMMENTS: INTERNAL TO ZDC AND ZOB ONLY LACK OF ROUTESOriginal advisory ↗
ATCSCC ADVZY 134 EWR/ZNY 11/12/2026 CDM GROUND STOP
CTL ELEMENT: EWR ELEMENT TYPE: APT ADL TIME: 2155Z GROUND STOP PERIOD: 12/2145Z - 12/2230Z CUMULATIVE PROGRAM PERIOD: 12/1937Z - 13/0459Z DEP FACILITIES INCLUDED: (Manual) ZDC ZOB PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 0 / 0 / 0 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 2 / 2 / 2 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: WEATHER / THUNDERSTORMS COMMENTS: ZDC AND ZOB ONLYOriginal advisory ↗
ATCSCC ADVZY 124 EWR/ZNY 11/12/2026 CDM GROUND STOP
CTL ELEMENT: EWR ELEMENT TYPE: APT ADL TIME: 2133Z GROUND STOP PERIOD: 12/2129Z - 12/2230Z CUMULATIVE PROGRAM PERIOD: 12/1937Z - 13/0459Z DEP FACILITIES INCLUDED: (Manual) ZDC PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 43 / 37 / 6 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 215 / 66 / 31 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: WEATHER / THUNDERSTORMS COMMENTS: INTERNAL TO ZDC ONLYOriginal advisory ↗