Originally Posted by
hw711
...
The information on the website just doesn't have the details on special cases like changing from an indirect to direct (same origin and destination) or itin that involves a codeshare. I'm asking people who have actual experience with this.
The changing from 1-stop to non-stop is not usually an issue (been done by many including myself -- although many FTers try the other way to increase mileage
- that's a little more iffy).
The second segment codeshare non-UA metal is a case I have not done but think you should likely be able to do.