First Flight Takes Off from Rupsi Airport, Kokrajhar to Kolkata Earlier as per a press release, trials were conducted on May 5. The trial flight was conducted on the Guwahati-Rupsi Guwahati route by Flybig airlines. | 8 May 2021 8:25 AM GMT GUWAHATI: Good news for the people of Dhubri and Kokrajhar, the first flight took off to Kolkata from Guwahati via Rupsi on May 8. Earlier as per a press release, trials were conducted on Wednesday, May 5. The trial flight was conducted on the Guwahati-Rupsi Guwahati route by Flybig airlines. "The trial run was completed timely and safely with extended support from the State government and concerned agencies," the Airport Authority of India said in an official statement.