Originally Posted by yevlesh2
I am sure there are many, many worse ones, but the ones I personally tried and now try to avoid are Delta and VolareWeb (Spanish LCC) .
The two flights I've had on Iberia were actually very good. Haven't flown Olympic yet.
Just a little correction...
"Volareweb" is an italian LCC! Not spanish!
In spain there´s existing only one LCC named "Vueling" so far!