我的航班延误了一小时。

Wǒde hángbān yánwù le yì xiǎoshí.

My flight was delayed by one hour.

我今天才知道航班被取消了。

Wǒ jīntiān cái zhīdào hángbān bèi qǔxiāo le.

I just found out today that the flight was cancelled.

我们的航班号是什么？

Wǒmen de hángbānhào shì shénme?

What is your flight number?