What happened
AI-written · may contain mistakes. Written from the advisory text and weather only.
Cause: Clouds sitting very low over the airport and foggy conditions made it hard to see, so air traffic control held departures heading to San Francisco.
The ground stop began at 19:53 UTC and ended at 20:46 UTC, after 53 minutes. Departures were held from four air traffic control centers in California and Nevada. The advisory had listed an end time of 21:00 UTC and rated a possible extension as medium, but the stop was lifted early.
Impact by airline
Aircraft seen on the ground at SFO and holding nearby, by airline.
| Airline | On ground | Holding |
|---|---|---|
| United Airlines UA | 11 | — |
| American Airlines AA | 5 | — |
| Delta Air Lines DL | 5 | — |
| JetBlue B6 | 3 | — |
| SkyWest Airlines OO | 2 | — |
| Southwest Airlines WN | 2 | — |
| Air Canada AC | 1 | — |
| All Nippon Airways NH | 1 | — |
| Alaska Airlines AS | 1 | — |
| Cathay Pacific CX | 1 | — |
| EVA Air BR | 1 | — |
| Frontier Airlines F9 | 1 | — |
| Japan Airlines JL | 1 | — |
| Korean Air KE | 1 | — |
| KLM KL | 1 | — |
Impact by region
Air traffic control centers whose departures to the airport were held.
| Center | Status |
|---|---|
| Los Angeles Center (ZLA) | Held |
| Salt Lake City Center (ZLC) | Held |
| Oakland Center (ZOA) | Held |
| Seattle Center (ZSE) | Held |
Aircraft at the airport
Peak 36 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 SFO for low ceilings, until 1:00 pm PST. Departures held from ZLA, ZLC, ZOA, ZSE.
Ground stop ended after 53 min.
Advisories
The air traffic control advisories issued for this ground stop, as published.
ATCSCC ADVZY 068 SFO/ZOA 11/09/2026 CDM GROUND STOP
CTL ELEMENT: SFO ELEMENT TYPE: APT ADL TIME: 1949Z GROUND STOP PERIOD: 09/1939Z - 09/2100Z CUMULATIVE PROGRAM PERIOD: 09/1500Z - 09/2159Z DEP FACILITIES INCLUDED: (1stTier) ZLA ZLC ZOA ZSE PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 7180 / 301 / 122 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 9951 / 361 / 169 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: WEATHER / LOW CEILINGS COMMENTS: GROUND STOP CANCELLED FOR ZAB AND ZDV AND CANADIAN FLIGHTS.Original advisory ↗