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? What is the Schedules API? On-Time Performance: How do you define on-time and delayed? What are the On-Time Performance service awards? Premium Reporting - Interested in finding your fair share? Comments 0 comments Article is closed for comments.