Online check-in Guinea Bissau Airlines - https://www.check-in.site

As of my knowledge cutoff in September 2021, Guinea-Bissau Airlines, also known as Transportes Aéreos da Guiné-Bissau (TAGB), was the national airline of Guinea-Bissau. However, please note that the information may have changed since then. It's always a good idea to verify the current status and operations of the airline through official sources or by contacting them directly.

If there have been any significant updates or changes regarding Guinea-Bissau Airlines since September 2021, I may not be aware of them.