Wind Burst enchantment sometimes doesn't burst the player up

When landing a hit at the last couple of seconds with a mace enchanted with Wind Burst, the player does not get boosted up into the air.

Steps to reproduce:

1. Get a mace that's enchanted with Wind Burst.
2. Trigger the Wind Burst effect by hitting an entity from 4 blocks high.
3. Hit the entity at the last second possible

Observed result:
The player lands on the ground.

Expected result:
The player is boosted into the air.