https://www.copaair.com/en/web/us/baggage-policyEconomy tickets purchased Feb 1st, 2019 and later will have this new baggage policy. Copa's chart is a bit confusing since this charge only applies to passengers whose travel begins on or after May 1, 2019. Economy flights between North America and Argentina, Bolivia, Brazil, Chile, Paraguay, Peru, Uruguay will still offer the first two bags at no charge.