BRIEF-Copa Holdings S.A. System load factor for March was 75.4 pct, up 2.9 pct By: Reuters: Company News April 11, 2016 at 16:47 PM EDT * System load factor for march 2016 was 75.4%, a 2.9 percentage point increase when compared to march 2015 Read More >> Related Stocks: Copa Holdings S.A.