The most common and most likely answer to this crossword clue is the 2 plus 7 letter word IN TRANSIT
I've seen this crossword clue in Financial Times
I
N
T
R
A
N
S
I
T
More clues leading to the result IN TRANSIT
- Out of order train isn’t on its way
- It isn't unusual to hoard foreign currency, mostly for travelling
- On the way, carried by Ford?
- Travelling by rail, I missed getting seat
- Current trouble in star among conservationists on a journey?
- Not willing to compromise, lacking knowledge en route?
- Train isn’t diverted on the way
- Popular new artist wasted or on the wagon?
- Train isn’t fixed en route
- Inn artist condemned on the way
Buddy explains!
The straight part
We know that "on a journey" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case on a journey = in transit.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.