Originally Posted by
ClipperDelta
AF is starting to roll out their version of Comfort Plus seating but progress appears to be slow and only available on a few planes to date. They also offer very reasonably priced upgrades from Y to Premium (their Premium Economy branding) when online check in opens, if there are still Premium seats available.
The bad news for the OP is that AF has tended to use their worst/oldest aircraft on the MSP-CDG and vv route. I wouldn't expect to see extra legroom seats on this route anytime soon. It's too bad, because I prefer the timings of the AF operated flight over the DL nonstop.