Originally Posted by
JoeFlyer
... 9 out of 10 times, Orbitz will force Delta to honor the fare that was held in cache. ...
I think it is higher than 9 out of 10!
Last summer when ~$250+tax TATL RTN fares were available for about a day. I tried DL.com then Orbitz then Expedia and these fares were no longer available. Through Kayak, I found an LAX-ZRH-LAX at that price on Cheaptickets.com and purchased it. After a few hours it showed up as one of my itineraries on DL.com.
On the ATL-ZRH plane the person next to me reported a similar experience (he was doing it as a MR and spending only Sat. night in ZRH). A couple in the row behind us overheard the conversation and reported a similar experience...