Originally Posted by
thehyrax
How comes I never see "Request Upgrade" on my AMS SEA (or vice versa) leg but I can see the "Request Upgrade" link for the smaller legs (SEA is a transfer for me)? I always fly Premiun Economy, miles credited to FlyingBlue (current Gold status). Flights Delta marketed
There are no comp upgrades on long haul international flights, even from premium economy. Only with upgrade certificates, miles, or cash.
You can see the list of "Everywhere Complimentary Upgrades are Available" on the Delta website:
https://www.delta.com/us/en/skymiles...llion-upgrades