Originally Posted by
LondonElite
..there comes a point when the gate has control of the flight and lots of empty seats suddenly fill up with standbys or other reasons, so there's no guarantee in any of this.
This approach is also the most risky when it could provide the most benefits.
On a nearly full plane, you cannot toggle between good seats anymore and you are very likely to end up with a bad stool and a last second seat assigned person who is inexperienced with flying.
Not great prospects.