There are two delay reporting/recording systems used, Air Traffic Operations Network System (OPSNET) and Consolidated Operations and Delay Analysis System (CODAS). The characteristics of each are listed below. Select the three characteristics of CODAS from the list. IA, Delays of less than 15 minutes are not recorded B. Delays as small as 1 minute are computed C. Contains actual times for gate out, wheels off, wheels on, and gate in D. Reports only flight delays that are due to an air traffic problem E. Impossible to determine if a particular flight was delayed OF. Supports analytical studies and not the day-to-day management of the air traffic system