登机前不得不知的几件事：

Is this bag OK as hand luggage?

这个包可以随身带上飞机吗？

Can I take this through security?

这个可以通过安检吗？

Can I have a window seat, please?

可以给我一个靠窗的位子吗？

Can I have an aisle¹ seat, please?

可以给我一个靠近过道的位子吗？

Which gate do I need to board from?

我应该在几号登机口登机？

When do I need to board?

什么时间开始登机？

Is my flight on time?

我乘坐的飞机会准点起飞吗？

Bonus只送给要转机的苦命童鞋：

Can I check my luggage through to...?

行李可以直接托运到（终点站）吗？

How long is my transfer time?

换乘时间有多久？

What terminal does my flight leave from at…airport?

我应该在（某）机场的哪个航站楼转机？