Hánɡbān yánwù le sān ɡè xiǎoshí.
The flight was three hours late.
航班延误了三个小时。
Notes:
航班(hánɡbān): flight
延误(yánwù): delay, be late
了(le): particle word
三个小时(sān ɡè xiǎoshí): three hours
Example:
A:航班延误了三个小时。
Hánɡbān yánwù le sān ɡè xiǎoshí.
The flight was three hours late.
B:太慢了。
Tài màn le
It's too late.