Question

You have to get there early and wait for hours for the plane to take off which is often late

You have to get there early and wait for hours for the plane to take off which
is often late的翻译

Answer 1

对于整句话来说 for hours for the plane to take off which is often late.这是一个宾语从句，但对于这个句子本身来说呢他自己本来就是一个定语从句，因此，这句话是定语从句充当整个句子的宾语。
翻译出来是这样的：你必须早点起床到那里等待经常晚点几个小时的飞机。
希望可以帮到你，祝学习好！

Answer 2

意思是：你不得不早点到那里，并且等待经常起飞晚数个小时的飞机~

Answer 3

你必须早点到那里等上几个小时，因为飞机经常晚点。