[4] The airline was originally a subsidiary of TNT Express but was acquired by ASL Aviation Holdings DAC and rebranded in 2016.

[7] ASLB operates worldwide Boeing 737 freighter services under the ASL Aviation Holdings brand and for major express integrator and e-commerce customers including FedEx and Alibaba.

As of November 2021, ASL Airlines Belgium serves six scheduled destinations in North America and China under its own brand name[2] with several dozen more operated as contracted charters, e. g. on behalf of DHL.

As of October 2023[update], the ASL Airlines Belgium fleet consists of the following registered aircraft:[14] In June 2021, ASL Aviation Holdings announced it had ordered up to 20 737-800 Boeing Converted Freighter (BCF) aircraft - 10 firm orders and 10 options at the Paris Air Show.

[16]  ASL's order, including options brings the number of 737-800BCF to 40 aircraft.