What happened
AI-written · may contain mistakes. Written from the advisory text and weather only.
Cause: Air traffic control staffing problems led officials to hold departing flights at Las Vegas, even though the weather was clear.
The ground stop began at 00:32 UTC on October 29, 2026, holding departures from several air traffic control centers. It ended at 00:50 UTC, after 18 minutes, and was not extended.
Impact by airline
Flights to and from LAS scheduled during the ground stop and the hour after it. Delayed means 15+ minutes late.
- Flights
- 72
- Delayed
- 11
- Cancelled
- 0
- Arrivals / departures
- 45 / 27
| Airline | Flights | Delayed / cancelled | Avg delay | On ground | Holding |
|---|---|---|---|---|---|
| Southwest Airlines WN | 44 | 9 / 0 | 42 min | 10 | — |
| Delta Air Lines DL | 4 | 1 / 0 | 187 min | 1 | — |
| SkyWest Airlines OO | 1 | 1 / 0 | 29 min | 1 | — |
| United Airlines UA | 5 | 0 / 0 | — | 1 | — |
| American Airlines AA | 3 | 0 / 0 | — | 3 | — |
| Alaska Airlines AS | 3 | 0 / 0 | — | 1 | — |
| Frontier Airlines F9 | 3 | 0 / 0 | — | — | — |
| Horizon Air QX | 1 | 0 / 0 | — | 1 | — |
| WestJet WS | 1 | 0 / 0 | — | 1 | — |
| Allegiant Air G4 | 1 | 0 / 0 | — | — | — |
| ACW ACW | 1 | 0 / 0 | — | — | — |
| ASP ASP | 1 | 0 / 0 | — | — | — |
| JetBlue B6 | 1 | 0 / 0 | — | — | — |
| JSX XE | 1 | 0 / 0 | — | — | — |
| PCM PCM | 1 | 0 / 0 | — | — | — |
Delayed 15+ min CancelledOn ground / holding: most seen at once.
Held at origin
Flights to LAS 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
- 3
- Average held
- 43 min
- Longest
- 1 hr 33 min
2 from airports in the stop's scope; 1 from outside it, late for other reasons.
Inbound in the air and diversions
Flights to LAS 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.
- Peak in the air
- 87
- Diverted
- 0
In the air at the peak (Oct 28, 5:33 PM PDT), by airline
- Southwest Airlines WN35
- American Airlines AA12
- Delta Air Lines DL10
- United Airlines UA9
- Alaska Airlines AS4
- JetBlue B64
- Frontier Airlines F93
- PCM PCM2
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 |
|---|---|---|---|---|
| Los Angeles Center (ZLA) | Held | 8 | 2 | 0 |
| Albuquerque Center (ZAB) | Held | 4 | 1 | 0 |
| Oakland Center (ZOA) | Held | 3 | 0 | 0 |
| Denver Center (ZDV) | Held | 1 | 0 | 0 |
| Salt Lake City Center (ZLC) | Held | 1 | 0 | 0 |
| Outside the US centers | Not held | 6 | 1 | 0 |
| Chicago Center (ZAU) | Not held | 3 | 1 | 0 |
| Houston Center (ZHU) | Not held | 3 | 1 | 0 |
| Atlanta Center (ZTL) | Not held | 2 | 1 | 0 |
| Washington Center (ZDC) | Not held | 2 | 0 | 0 |
| Fort Worth Center (ZFW) | Not held | 2 | 0 | 0 |
| Indianapolis Center (ZID) | Not held | 2 | 0 | 0 |
| Kansas City Center (ZKC) | Not held | 2 | 0 | 0 |
| Cleveland Center (ZOB) | Not held | 2 | 0 | 0 |
| Seattle Center (ZSE) | Not held | 2 | 0 | 0 |
| Miami Center (ZMA) | Not held | 1 | 0 | 0 |
| Memphis Center (ZME) | Not held | 1 | 0 | 0 |
Aircraft at the airport
Peak 22 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 LAS for staffing, until 6:30 pm PDT. Departures held from ZLA, ZLC, ZDV, ZOA and 1 more.
Ground stop ended after 18 min.
Advisories
The air traffic control advisories issued for this ground stop, as published.
ATCSCC ADVZY 003 LAS/ZLA 10/29/2026 CDM GROUND STOP
CTL ELEMENT: LAS ELEMENT TYPE: APT ADL TIME: 0029Z GROUND STOP PERIOD: 29/0019Z - 29/0130Z DEP FACILITIES INCLUDED: (1stTier) ZLA ZLC ZDV ZOA ZAB PREVIOUS TOTAL, MAXIMUM, AVERAGE DELAYS: 0 / 0 / 0 NEW TOTAL, MAXIMUM, AVERAGE DELAYS: 1045 / 66 / 36 PROBABILITY OF EXTENSION: MEDIUM IMPACTING CONDITION: STAFFING / STAFFING COMMENTS: GDP WILL FOLLOW THE GROUND STOPOriginal advisory ↗