The most common and most likely answer to this crossword clue is the 3 letter word NOW
I've seen this crossword clue in Financial Times
N
O
W
More clues leading to the result NOW
- Present that’s bagged up
- Be reliably informed head’s to be sacked immediately
- Today be aware leader's absent
- Present taken up
- It can happen at Christmas, misplacing small present
- Certainly not getting wife present!
- Today’s ‘trendy’ bound to fail
- Currently without work?
- 12 in trouble presently
- Today was successful, looking back
Buddy explains!

The straight part
We know that "right away" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case right away = now.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NOW mean?
NOW noun- The present time.
- (often with "the") The state of not paying attention to the future or the past.
- (chiefly in phenomenology) A particular instant in time, as perceived at that instant.
- Present; current.
- Fashionable; popular; up to date; current.
- At the time the will is written. Used in order to prevent any inheritance from being transferred to a person of a future marriage. Does not indicate the existence of a previous marriage.
- At the present time.
- (sentence) Used to introduce a point, a qualification of what has previously been said, a remonstration or a rebuke.
- Differently from the immediate past; differently from a more remote past or a possible future; differently from all other times.
- Differently from the situation before a stated event or change of circumstance.
- At the time reached within a narration.
- In the context of urgency.
- As 'but now': Very recently; not long ago; up to the present.
- Since, because, in light of the fact; often with that.
- Indicates a signal to begin.