Originally Posted by
cmd320
The seats in their even more space sections tend to have superior legroom to that of even first class on some Delta and AA aircraft.
JetBlue's
Even More Space seats aren't a free/published benefit for Mosaic. It gets down to the OP's probability of scoring Comfort+ vs. regular JetBlue seating, and DL wins that battle of pitch vs. 321 Mint, 321 Core, E90, and revised A320. (B6 vs. DL Main Cabin? Oh, heck yeh!)