Philippines low cost carrier, Cebu Pacific, successfully passed an IATA Operation Safety Audit (IOSA) in mid-April and was added to the IOSA registry. Airline officials announced hopes to eventually become a full IATA member. The airline joined Philippine Airlines and PAL Express as the other carriers that have gained IOSA accreditation.

After having successfully completing an IATA Operational Safety Audit in late 2017, new Indian carrier Vistara, has gained full IATA membership in April 2018. The airline announced its membership will allow for greater collaboration in areas such as codesharing and interline agreements with other international IATA carriers.

A US-Bangla Airlines (Bangladesh) Bombardier Dash 8 aircraft was on final approach to Tribhuvan International Airport (Kathmandu, Nepal) when it failed to safely touch down on the runway and impacted with the ground. 49 occupants sustained fatal injuries and a number of others were seriously injured. An investigation into this fatal accident has been launched.