Why is the number of cancellations in your free online OTP Monthly report for an airline different? Lauren Tanabe August 29, 2018 01:21 Updated Follow Our paid reports allow you to dig in deeper and to set custom date ranges. https://cms.flightstats.com/products/reports-visualizations/ Related articles When do you publish the free online OTP Monthly report? On-Time Performance: How do you define on-time and delayed? Do you have high level coverage numbers for an airline? On-Time Performance: How do you define Tracked and Completed? What is the Schedules API? Comments 0 comments Article is closed for comments.