Why would this be necessary at all though? Ultimates already have /fly, why would a /glide command be useful? And what is the point of the command at all when the wings will be available to everyone?
I don't really care about whether/not or why, I'm just talking about your suggestion.
~ @n00bslayer_99
Would allow you to go up. Vanilla elyra has a limited range because you can only go up a few blocks before it stalls. This would allow infinate range on the elytra. The reason I suggested this is because it would allow you to go much faster than with /fly, and it would look cool. I can see how the command name /glide would confuse you, I just used it for lack of a better name, as /fly is already used. The staff could always come up with a different name, I don't care, I just want this accepted. This would also pair well with another suggestion by someone else, /dis flying_pig.
PS: This just might be my longest post ever. =)