Beginning August 26th Aladdin on Broadway will be adding performances. However they'll also be removing some as well. In place of their Tuesday night performances they will be adding Monday performances. They will also be adding more Sunday night performances in place of the Wednesday matinees they have been doing.
This isn't the only Disney Broadway production getting some changes. Both The Lion King and Frozen are getting new schedules
The Lion King will continue doing the regular Tuesday through Sunday performances, but it will be adding Sunday evening shows in place of their Wednesday matinees. Frozen will also continue the Tuesday through Sunday schedule, adding in Sunday evening shows that replace the Wedneday matinee performances.