Originally Posted by
Dr. HFH
... As noted, the differences between I and D for business class are small, but important: 1) I is less expensive than D, 2) There is usually less I inventory than D inventory on a flight, 3) I is not available from all origination points, and 4) I fares are only available for three continent itineraries.
..
FWIW, the DONEx's have been around since last century.
IONEx's appear to be a relatively recent product - the first reference I can find in this forum is from just 17 months ago.
https://www.flyertalk.com/forum/29020089-post2243.html
Last edited by serfty; Jul 2, 2019 at 4:55 pm