Regional Upgrade Certificates enable you to move up from Main Cabin or Comfort Plus into First Class, while Global Upgrade Certificates allow you to upgrade to First Class or Delta One cabins on ...
Delta presently sells tickets for approximately 88% of its available first-class seats—and that means ... You may get lucky and score a Delta Comfort seat, but that’s about all you can expect ...
Comfort plus - the middle tier on Delta's planes and contained within ... Comfort plus is below premium select and first class, both of which have deep reclining seats, footrests and more dining ...