What happened
AI-written · may contain mistakes. Written from the advisory text and weather only.
Cause: Thunderstorms in the area led air traffic control to hold departures, as a severe thunderstorm watch and a convective advisory covered the airport.
The ground stop began at 22:33 UTC and ended at 23:14 UTC, lasting 41 minutes. Departures were held from one air traffic control center's area, and the stop was originally set to run until 7:15 pm Eastern.
Impact by airline
Flights to and from LGA delayed 30+ minutes during the ground stop and the hour after it.
- Delayed 30+ min
- 62
- Arrivals / departures
- 31 / 31
| Airline | Delayed | Avg delay | On ground | Holding |
|---|---|---|---|---|
| Republic Airways YX | 28 | 76 min | — | — |
| Delta Air Lines DL | 11 | 76 min | — | — |
| Endeavor Air 9E | 10 | 78 min | — | — |
| American Airlines AA | 2 | 95 min | — | — |
| Air Canada AC | 2 | 90 min | — | — |
| Mesa Airlines YV | 2 | 107 min | — | — |
| Frontier Airlines F9 | 2 | 81 min | — | — |
| JetBlue B6 | 2 | 57 min | — | — |
| United Airlines UA | 2 | 132 min | — | — |
| Southwest Airlines WN | 1 | 42 min | — | — |
Delayed 30+ minOn ground / holding: most seen at once.
Held at origin
Flights to LGA still on the ground at their origin 15+ minutes past their scheduled departure while the stop was in effect. Held time is minutes past the scheduled departure.
- 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
Flights to LGA that had departed and not yet landed, at each arrivals board sample while the stop was in effect, and inbound flights that landed somewhere else instead.
- Diverted
- 0
Diversions
No inbound flight has been seen diverting during this stop.
Impact by region
Delayed arrivals by the air traffic control center they departed from. Held: departures from that center were stopped.
| Center | Status | Delayed |
|---|---|---|
| Washington Center (ZDC) | Held | 6 |
| Outside the US centers | Not held | 5 |
| Atlanta Center (ZTL) | Not held | 5 |
| Indianapolis Center (ZID) | Not held | 4 |
| Miami Center (ZMA) | Not held | 3 |
| Cleveland Center (ZOB) | Not held | 2 |
| Chicago Center (ZAU) | Not held | 1 |
| Boston Center (ZBW) | Not held | 1 |
| Fort Worth Center (ZFW) | Not held | 1 |
| Houston Center (ZHU) | Not held | 1 |
| Jacksonville Center (ZJX) | Not held | 1 |
| Memphis Center (ZME) | Not held | 1 |
Aircraft at the airport
Peak 0 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.
Ground stop issued at LGA for thunderstorms, until 7:15 pm EDT. Departures held from ZDC.
Reason changed to thunderstorms.
Ground stop ended after 41 min.
Advisories
The air traffic control advisories issued for this ground stop, as published.
ATCSCC ADVZY 166 LGA/ZNY 10/16/2026 CDM GROUND STOP
CTL ELEMENT: LGA ELEMENT TYPE: APT ADL TIME: 2230Z GROUND STOP PERIOD: 16/2220Z - 16/2315Z CUMULATIVE PROGRAM PERIOD: 16/1700Z - 17/0359Z DEP FACILITIES INCLUDED: (Manual) ZDC PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 347 / 120 / 58 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 440 / 114 / 73 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: WEATHER / THUNDERSTORMS COMMENTS: NO ROUTES.Original advisory ↗