The OAG reports airlines will offer 3.64 billion scheduled departure seats worldwide in 2021, 63.1% of the total offered in 2019.

​According to the Official Airlines Guide (OAG) Schedules Analyzer, airlines worldwide will offer a total of 3,640,771,620 scheduled departure seats, that is scheduled airline seats from a country (not including charter carrier seats) for the period January through December 2021. This is 36.9% fewer than for the same twelve months of 2019 but 13.1% more than the 3.21 billion scheduled departure seats offered in 2020.
Scheduled departure seats from Central America will reach 99.98 million in 2021, 82.2% of the 2019 total and this region has seen the greatest recovery in such seats. South-East Asia will see the worst recovery and will only see 187.78 million scheduled departure seats, just 35.9% of the 2021 total and 33.9% fewer than the 284.23 million seats offered in 2020.
The Caribbean will see 31.41 million scheduled departure seats in 2021, 65.3% of the 48.08 million scheduled departure seats seen in 2019 and 19.8% more than the 26.23 million such seats seen in 2020.