expression
at the earliest; if things go well; if nothing unexpected happens
Used to express the earliest possible time or a condition for something to happen without delays. Often followed by a time expression or a positive outcome.
早ければ明日には結果がわかるでしょう。
At the earliest, we'll know the results tomorrow.
早ければ来週中に届くかもしれません。
If things go well, it might arrive within next week.