Question

1. What time does the train arrive in Los Angeles?
2. What time does the train arrive at Los Angeles?
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Which preposition do we have to use? Are both okay?

Answer 1

In that question, "in" is used.

If you rephrase a bit -- ... train arrive at the Los Angeles station?

Answer 2

Thank you for your help. Can we use as follows?

The train arrives at New York, and then it will leave New York. The train will arrive at Washington D.C. at 11. It will leave the city in 10 minutes.

Answer 3

The train arrives in New York, and then it will leave New York. The train will arrive in Washington, D.C., at 11. It will leave the city in 10 minutes.

Notice the changes I made, including some punctuation!

Answer 4

Thank you for your help.

Answer 5

You're welcome!