The five-hour shutdown of Air India's check-in software, which occurred on Saturday morning, is still causing a ripple effect as the airline said 137 flights will be running late on Sunday, 28 April. The average duration of delay on these 137 flights would be more than three hours – 197 minutes – the airline’s spokesperson said.Thousands of passengers had a harrowing time on Saturday morning at airports across the world as Air India's passenger service system (PSS) software, which looks after check-in, baggage and reservation, did not function from 3:30 am to 8:45 am due to a technical glitch.As the passenger service system (PSS) software shut down for six hours on Saturday, a total of 155 flights were delayed for an average duration of two hours till 8:30 pm.An Air India spokesperson said:“155 flights, with an average duration of two hours, are expected to be delayed till 2030 hours.”The airline's chairman and managing director (CMD) Ashwani Lohani said he expects normalisation of operations by Saturday night.The average number of flights that Air India group, which also includes subsidiaries Alliance Air and Air India Express, flies daily are around 674.Fliers Left Stranded, Share Woes on TwitterThe glitch left scores of fliers stranded and impatient, with many taking to Twitter to express their anguish over the delay.(With inputs from PTI) We'll get through this! Meanwhile, here's all you need to know about the Coronavirus outbreak to keep yourself safe, informed, and updated. The Quint is now available on Telegram & WhatsApp too, Click here to join.