What happened
AI-written · may contain mistakes. Written from the advisory text and weather only.
Cause: Flights leaving Washington National were held because of a security issue, according to the stated reason for the stop.
The ground stop began at 00:21 UTC on October 30 and ended at 01:12 UTC, lasting 51 minutes. Departures were held from seven air traffic control centers, including those in Atlanta, Washington, and New York.
Impact by airline
Flights to and from DCA scheduled during the ground stop and the hour after it. Delayed means 15+ minutes late.
- Flights
- 83
- Delayed
- 25
- Cancelled
- 0
- Arrivals / departures
- 53 / 30
| Airline | Flights | Delayed / cancelled | Avg delay | On ground | Holding |
|---|---|---|---|---|---|
| PSA Airlines OH | 22 | 8 / 0 | 29 min | 6 | — |
| American Airlines AA | 14 | 6 / 0 | 56 min | 4 | — |
| Republic Airways YX | 16 | 2 / 0 | 26 min | 4 | — |
| Southwest Airlines WN | 5 | 2 / 0 | 64 min | 3 | — |
| JetBlue B6 | 3 | 2 / 0 | 78 min | 1 | — |
| Endeavor Air 9E | 2 | 2 / 0 | 29 min | 1 | — |
| Envoy Air MQ | 7 | 1 / 0 | 52 min | 2 | — |
| United Airlines UA | 3 | 1 / 0 | 44 min | 1 | — |
| Jazz QK | 2 | 1 / 0 | 65 min | 1 | — |
| Delta Air Lines DL | 5 | 0 / 0 | — | 2 | — |
| Alaska Airlines AS | 2 | 0 / 0 | — | 1 | — |
| Frontier Airlines F9 | 1 | 0 / 0 | — | — | — |
| GoJet Airlines G7 | 1 | 0 / 0 | — | — | — |
Delayed 15+ min CancelledOn ground / holding: most seen at once.
Held at origin
Flights to DCA still on the ground at their origin 15+ minutes past their scheduled departure while the stop is in effect; now as of Oct 29, 8:30 PM EDT. Held time is minutes past the scheduled departure.
- Held now
- 3
- Held during the stop
- 3
- Average held
- 52 min
- Longest
- 1 hr 32 min
1 from airports in the stop's scope; 2 from outside it, late for other reasons.
Inbound in the air and diversions
Flights to DCA 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
Arrivals by the air traffic control center they departed from. Held: departures from that center were stopped.
| Center | Status | Arrivals | Delayed | Cancelled |
|---|---|---|---|---|
| Boston Center (ZBW) | Held | 5 | 2 | 0 |
| Jacksonville Center (ZJX) | Held | 5 | 2 | 0 |
| New York Center (ZNY) | Held | 3 | 1 | 0 |
| Atlanta Center (ZTL) | Held | 3 | 1 | 0 |
| Washington Center (ZDC) | Held | 2 | 1 | 0 |
| Cleveland Center (ZOB) | Held | 2 | 0 | 0 |
| Indianapolis Center (ZID) | Held | 1 | 0 | 0 |
| Chicago Center (ZAU) | Not held | 5 | 2 | 0 |
| Outside the US centers | Not held | 6 | 1 | 0 |
| Fort Worth Center (ZFW) | Not held | 3 | 1 | 0 |
| Miami Center (ZMA) | Not held | 3 | 1 | 0 |
| Albuquerque Center (ZAB) | Not held | 1 | 1 | 0 |
| Houston Center (ZHU) | Not held | 4 | 0 | 0 |
| Los Angeles Center (ZLA) | Not held | 2 | 0 | 0 |
| Memphis Center (ZME) | Not held | 2 | 0 | 0 |
| Minneapolis Center (ZMP) | Not held | 2 | 0 | 0 |
| Denver Center (ZDV) | Not held | 1 | 0 | 0 |
| Kansas City Center (ZKC) | Not held | 1 | 0 | 0 |
| Seattle Center (ZSE) | Not held | 1 | 0 | 0 |
| San Juan Center (ZSU) | Not held | 1 | 0 | 0 |
Aircraft at the airport
Peak 14 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 DCA for security, until 9:15 pm EDT. Departures held from ZTL, ZDC, ZNY, ZJX and 3 more.
Ground stop ended after 51 min.
Advisories
The air traffic control advisories issued for this ground stop, as published.
ATCSCC ADVZY 002 DCA/ZDC 10/30/2026 CDM GROUND STOP
CTL ELEMENT: DCA ELEMENT TYPE: APT ADL TIME: 0016Z GROUND STOP PERIOD: 30/0006Z - 30/0115Z DEP FACILITIES INCLUDED: (Manual) ZTL ZDC ZNY ZJX ZOB ZBW ZID CYHZ CYOW CYUL CYYZ CYTZ CYQB PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 0 / 0 / 0 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 605 / 57 / 25 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: OTHER / SECURITY COMMENTS:Original advisory ↗