They make great travel jackets and I use mine as such regularly. All of the pockets are hugely handy. Combine with a lightweight scarf and you have temperature regulation options that work from desert to frigid aircraft cabin.
And I have some serious Olive Linen Envy now too.
Yours is too short and needs slimming in the... KIDDINGI should clarify that mine are partially lined in the shoulders and have full chest interior treatments with pockets and everything. And I was a big pain in the ass in specifying all kinds of details. I think it's money well spent.