Why does it take longer to fly from London to Xi'an than to Beijing

Why does it take longer to fly from London to Xi'an than to Beijing - Modern aircraft flying in cloudy gray sky

I'm searching for flight tickets to fly to Xi'an from London. Geographically, Xi'an is closer to London compared to Beijing to London. However, it takes less than 10 hours to fly to Beijing while almost 11 hours to fly to Xi'an. Does anyone know why?






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Here’s why flights take longer than they did 50 years ago




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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