The share of Brazilian airlines' passengers carried by airlines that flew before GOL's launch fell to about a third by the late twenty-tens. Outside the pandemic dip it has risen since, to about two-fifths.
What this shows: The chart covers 2000 Q1 to 2025 Q3. It plots Incumbent share (%) on a vertical axis of Market share (%). The latest value is 41.9 percent. Data run through 2025 Q3.