oath descheduled

I passed my n-400 interview a month ago, went back to college the following day, and then got caught for underage consumption (I am 20). I was unlucky as 80% of the students here drink underage. Unfortunately, the police officer wrote me a ticket for underage consumption, but told me not to...

I received a letter today that my Oath that was scheduled for the 16th Sept in Tulsa, Oklahoma has been descheduled. Does anyone know what is usually the reason for this and if this can add significant delay to processing on my application? What can I expect?