When do you publish the free online OTP Monthly report? Lauren Tanabe January 07, 2020 04:09 Updated Follow We publish the free online OTP Monthly report in the beginning of each month. Please check back again for updates: https://www.cirium.com/who-we-are/airline-on-time-performance/ And, get monthly Airport On-Time Performance Report and the annual On-Time Performance Review. Related articles How do you define On-time and Delayed? How do I qualify for The On-Time Performance Review? Comments 0 comments Article is closed for comments.