When you teleport whilst gliding, after a few seconds you will jerk back to where you teleported and lose all your momentum. This is not a duplicate of MC-90026 or MC-89994.
Video of the bug in action: https://www.youtube.com/watch?v=iKW39ysNmzs
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The game output simply says: [18:49:15] [Client thread/INFO]: [CHAT] Teleported Joziah2 to 785.5434687435214, 187.98092002369927, 1482.312859610396.
There is no sign of "PLAYER moved too quickly" in the chat.

Confirmed for 15w44a.
For some reason this wasn't a problem at first, but later on it happened all the time. Don't know what caused it.

Is this still an issue in the most recent versions (currently that is 1.10.2, or 16w42a) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time. If you are the owner/reporter of this ticket, you can modify the affected version(s) yourself.

This bug has since been fixed, It is no longer a problem in 1.10 or 16w42a to my knowledge.
Please check if you get "PLAYER moved too quickly" in the game output console. If so, duplicate of MC-90062