Japanese phrase
あと___で到着しますか？ a to ___ de tō chaku shi ma su ka
Meaning
Will you be here in ___?
When to use it
Asks when someone will arrive. It politely checks whether the person will arrive after a stated amount of time.
Example dialogue
あと30分で到着しますか？ a to 30 pun de tō chaku shi ma su ka
Will you be here in 30 minutes?
いいえ、40分かかります。 i i e 40 pun ka ka ri ma su
No, it will take 40 minutes.