Originally Posted by
stylo4444
Hi, I'm pretty sure this has been discussed before, but I wanted to try and see if there's a solution to this.
It was answered in your own earlier thread on this.
http://www.flyertalk.com/forum/delta...low-fares.html
The availability of inventory in a specific fare bucket (let's say U) doesn't mean your dates, route, flight selections/times of travel satisfy the rules of the fare(s) that uses U.