Copa Holdings, S.A.(CPA) reported traffic numbers for December 2024 on the back of upbeat air-travel demand. Driven by high passenger volumes, revenue passenger miles (a measure of traffic) improved on a year-over-year basis in December.To match the demand swell, CPA is increasing its capacity. In December, available seat miles (a measure of capacity) increased 6.5% year over year, and revenue passenger miles increased 6.8% year over year. Since traffic outpaced capacity expansion, the load factor (percenta ...