The disruption was for about 20 minutes, but it didn't have bearings on the airline's operations, Vistara said.
The Spanish travel technology firm Amadeus' Altea Suite is a complete passenger service system, currently used by over 100 airlines across the world.
"Both the passenger reservation and check-in system across airports remained non-functional for close to 20 minutes due to a technical glitch in the Amadeus Altea Suite," a Vistara spokesperson said.
The system could be restored only at about 3.15 pm, he said, adding the snag, however, did not impact the airline's flight operations.
In a statement to PTI, Amadeus confirmed the disruption to some of its system.
"Amadeus can confirm that our systems are recovered and are now functioning normally. During the morning, we experienced a network issue that caused disruption to some of our systems. As a result of the incident, customers experienced disruption to certain services," an Amadeus spokesperson said in a statement.
Amadeus technical teams took immediate action to identify the cause of the issue and mitigate against the impact on customers, it said.
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