![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=620&quality=85&auto=format&fit=max&s=eb59a55099ee9b3a3dfc78c41547d343)
From celebrity jets to Pelosi's Taiwan trip, flight trackers are the sleeper hit of the summer | Air transport | The Guardian
![Flightradar24 on Twitter: "What's the difference between a flight number, call sign, and radio call sign? And what are each used for? We clear up some call sign confusion: https://t.co/qE96hTzEwr https://t.co/cAck09L4LA" / Flightradar24 on Twitter: "What's the difference between a flight number, call sign, and radio call sign? And what are each used for? We clear up some call sign confusion: https://t.co/qE96hTzEwr https://t.co/cAck09L4LA" /](https://pbs.twimg.com/media/FSlksrNXwAQk8Ih.jpg:large)
Flightradar24 on Twitter: "What's the difference between a flight number, call sign, and radio call sign? And what are each used for? We clear up some call sign confusion: https://t.co/qE96hTzEwr https://t.co/cAck09L4LA" /
![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=900&quality=85&auto=format&fit=crop&s=84c51c4dcc6e7434eb39bda9c5eabe6c)