This iPhone travel hack lets you track your flight in real time

Few things start a trip off on the wrong foot like running to the boarding area only to find the gate number has changed. But one former airline employee’s viral TikTok is unearthing a hidden iOS feature that quickly delivers flight status without downloading a separate app. Called Preview Flight, the feature is hidden inside iOS native apps as a quick hack to get all the information from the boarding screens onto your iPhone screen — but what is it and how does it work?