Answer:
Tarde
Explanation:
First, let's translate the statement we are given:
Su vuelo salió con una demora; por eso, ella va a llegar... ---->
Her flight left with a delay, that's why she is going to arrive...
Now, let's pick the best answer to complete the statement. The answers given are:
a bordo: on board
a tiempo: on time
a veces: sometimes
tarde: late
Her flight was delayed, therefore, she will arrive late. The best answer choice is tarde.
