Avianca, however, criticized the delay, which made an agreement with a low cost airline that has not been flying for two months “unfeasible”
Avianca to launch Boston-Bogotá route: Travel Weekly
Aeroflap - Colombia once again blocks the merger of Avianca and Viva Air
Colombia gives final approval for Avianca and Viva Air to merge
Avianca – World Airline News
Aeroflap - Avianca withdraws from merger with Colombia's Viva Air
Colombia gives final approval for Avianca and Viva Air to merge
Thousands stranded as Colombia's Viva Air grounds flights
Avianca Colombia World Airline News
Avianca Colombia World Airline News
Colombia gives final approval for Avianca and Viva Air to merge
Colombia gives final approval for Avianca and Viva Air to merge - Air Data News
Avianca and Viva Air Expect Year-End Approval of Merger in Colombia
Avianca World Airline News