Asiana Airlines and Aero K Airlines have been imposed fines for failing to properly notify passengers of baggage issues and flight delays, the transport ministry said Thursday. Asiana was fined 12 million won ($8,550) while Aero K was fined 18 million won for violating the Aviation Business Act, according to the ministry. Aero K, a low-cost carrier, failed to promptly notify passengers of delays for nine flights between March 30 and June 17. "We sincerely apologize to passengers who experienced inconvenience," Asiana said in a statement. "Following the incident, we have reinforced measures to prevent baggage from being left behind and established a prompt notification system to ensure similar issues do not recur."