Brazilian airlines Azul Linhas Aereas Brasileiras and Trip Linhas Aereas said Thursday they expect regulatory approval for their merger by the end of this year and have filed code-sharing requests to begin integrating their flights.

Brazilian airlines Azul Linhas Aereas Brasileiras and Trip Linhas Aereas said Thursday they expect regulatory approval for their merger by the end of this year and have filed code-sharing requests to begin integrating their flights.