Flightradar24 on Twitter: "Flights to US airports have been groundstopped by the FAA until at least 09:30 ET (1430 UTC). This means any flight not in the air already will not be
![Flightradar24 on Twitter: "We are following reports of a problem with the NOTAM system that might affect flights in the US. Live map at https://t.co/1hk0cAeBPB https://t.co/YlF5I0Ga0t" / Twitter Flightradar24 on Twitter: "We are following reports of a problem with the NOTAM system that might affect flights in the US. Live map at https://t.co/1hk0cAeBPB https://t.co/YlF5I0Ga0t" / Twitter](https://pbs.twimg.com/media/FmMC_5nWAAUKriX.jpg:large)
Flightradar24 on Twitter: "We are following reports of a problem with the NOTAM system that might affect flights in the US. Live map at https://t.co/1hk0cAeBPB https://t.co/YlF5I0Ga0t" / Twitter
![From celebrity jets to Pelosi's Taiwan trip, flight trackers are the sleeper hit of the summer | Air transport | The Guardian From celebrity jets to Pelosi's Taiwan trip, flight trackers are the sleeper hit of the summer | Air transport | The Guardian](https://i.guim.co.uk/img/media/d20cc739d6669ab49407adfe8960646f2573e970/0_134_2044_1227/master/2044.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=3f8c7ab5bc05bf1069df703644d3f37c)