Comparative evaluation of air transport: nonperformance or non- performance of timely transportation contract

When passengers or goods do not reach their destination at the agreed time, non-performance of timely transportation contract is executed. Agreed time may explicitly or implicitly listed on the ticket or from advertising of transpors or pubic news to be understood. League of Europe, United States and Iran has confirmed any rights of passengers as aircraft delays, cancelation of flight or ticket confirmation or additional capacity aircraft. To assimilate some of aviation regulations, Warsaw and Montreal convention have determined liability for damages in international flight. Both of convwntions discussed liability for timely transport flight. This research survived their responsibility attendant delays, cancellation of flights or additional aircraft capacity in European countres, Iran, United States and International law.