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Comment by Animats | Hacker News Reader

Info on this is amazingly sparse. Apparently Sec. Duffy posted something on X/Twitter, and that's all the news media have.

Looking at LAX departures, it looks like nothing has departed since about 10:30 AM PST, and everything later is showing Delayed or Cancelled. There are times after Delayed, but it's not clear those times mean anything. Some are now in the past.

"flysfo.com" is too overloaded to display departures. Stuck at "loading...".

JFK departure status shows almost solid "Delayed".

No good explanations anywhere.

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Update, 3:00 P.M.: Pacific bound flights are cleared to depart, including Hawaii and Asia.

Source?

upd: sfo resumed international flights to asia

flights departing hawaii and alaska are also allowed

Actually true.

https://news.ycombinator.com/item?id=50491511

https://www.nytimes.com/live/2026/11/13/us/ground-stop-natio...

I'm stuck at SFO and a flight for Hawaii just boarded perhaps 20 minutes ago. I don't think it has taken off yet though.

two flights to tpe and a flight to tokyo took off since 3

thank you for fixing the link(?).

If you're flip your claim via edit it's usually polite to do it via addition rather than revision so the other replies still make sense/don't get downvoted by confused people.

https://www.flysfo.com/flight-info/alerts-advisories/faa-iss...

I saw one!

Makes sense. CNN reported that international airlines were still departing for North Atlantic flights, apparently because they use a separate communications system.

Yeah, oceanic flights largely use satellite-based CPDLC today, or HF voice as a fallback, but not VHF in any case (which I suspect is the implicated system here).

VHF Omnirange (VOR)[1] is unlikely to be involved. VOR stations are not dependent on a network. All they need is power. It's 1950s technology. The big ring of antennas next to US 101 just north of SJC is a VOR.

[1] https://en.wikipedia.org/wiki/VHF_omnidirectional_range

Sorry, typo, I meant VHF (i.e. voiceband), of course. VORs are indeed for navigation, not communication. Updated.

They’re under socal departure (or equivalent) until handed off to - well, nothing. So no need for intercommunications.

Surprised there's not been any updates yet. Not even one of this will continue or it is being resolved.

Sec of Homeland Security gave an interview about 10 minutes ago saying it's indefinite, they don't know the cause, and to expect resolution to take a while.

Oh wow. That's not really good, is it.

Economy taking a lot of crazy hits this week. They're footgun hits too, not even enemy action.

Edit: ok so one of them was maybe a little bit enemy action.

I'd say that's not really known yet, although there's certainly a footgun element at least.

I'm sure Jensen had some enemy action.

There’s only so long the American wall of competence can be chipped at by stupid, before bigger chunks start dropping. Watch out below.

Foot is not the correct bit of anatomy in Nvidia's case.

is it a bad news that Homeland Security doesn't know the cause or is it a good news that they aren't the origin for it?

All European and Mexican departures to the US have been stopped: https://x.com/sentdefender/status/2121381457683964308

When will we congratulate all the AI companies for this?

Probably someone prompted an agent: solve global CO2 emissions :-)

> When will we congratulate all the AI companies for this?

5 days from now? https://news.ycombinator.com/item?id=50465829

They forgot to add "don't make mistakes". It's common.

SFO had delays this morning because of winds. I'm not sure if LA also had bad weather, but SFO had a lot of rain and if you know SFO, you'll encounter a delay if someone sneezes in the direction of the runways.

I actually got out surprisingly on time at 10:30am. The other airport at landing was chaos though.

Info on this is amazingly sparse. Apparently Sec. Duffy posted something on X/Twitter, and that's all the news media have

Maybe look further than Twitter.

The legitimate media from the New York Times to CNN and beyond all showed video of Markwayne Mullin's news conference 20 minutes before your post.

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