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Home > Finance > Booking system outage forces Russian airlines to cancel some flights, ministry says

Booking system outage forces Russian airlines to cancel some flights, ministry says

Published by Global Banking and Finance Review

Posted on January 26, 2026

1 min read

Last updated: January 26, 2026

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Quick Summary

Aeroflot warns of potential flight cancellations due to a nationwide booking system outage, affecting schedules across its network.

Russian Airlines Cancel Flights Due to Booking System Outage

Impact of Booking System Outage on Airlines

MOSCOW, Jan 26 (Reuters) - Russian airlines were forced to cancel some flights on Monday due to a nationwide outage of the Leonardo booking system which has since been fixed, the transport ministry said.

Affected Airlines and Flights

All major Russian airlines, including national flag carrier Aeroflot, had earlier warned of possible schedule disruptions, including changes to departure times and flight cancellations.

Cause of the Outage

The transport ministry in a statement did not name the affected carriers or destinations, but said officials would meet later on Monday "to analyse what happened and minimise the impact of the disruption on passengers."

Previous Cyberattack on Aeroflot

Russian state industrial conglomerate Rostec said that the problem in the Leonardo booking system had been caused by an "internal technical problem" at its provider, Sirena Travel.

Aeroflot was hit by a major cyberattack in July last year, disrupting travel across the world's biggest country. Two Ukrainian hacking groups claimed responsibility for that attack at the time.

(Reporting by Marina BobrovaWriting by Maxim Rodionov; editing by Andrew Osborn)

Key Takeaways

•Aeroflot warns of possible flight cancellations.
•The Leonardo booking system malfunctioned.
•Outage affects flights across Aeroflot's network.
•Passengers advised to check for schedule changes.
•Issue occurred beyond Aeroflot's control.

Frequently Asked Questions about Booking system outage forces Russian airlines to cancel some flights, ministry says

1What is a booking system?

A booking system is a software application that allows customers to reserve services such as flights, accommodations, or events, managing schedules and availability.

2What is flight cancellation?

Flight cancellation refers to the situation where an airline does not operate a scheduled flight, often due to technical issues, weather conditions, or operational constraints.

3What is passenger guidance?

Passenger guidance is the information and assistance provided to travelers during disruptions, helping them understand their options and next steps.

Impact of Booking System Outage on Airlines

Affected Airlines and Flights

All major Russian airlines, including national flag carrier Aeroflot, had earlier warned of possible schedule disruptions, including changes to departure times and flight cancellations.

Cause of the Outage

Previous Cyberattack on Aeroflot

Russian state industrial conglomerate Rostec said that the problem in the Leonardo booking system had been caused by an "internal technical problem" at its provider, Sirena Travel.

Aeroflot was hit by a major cyberattack in July last year, disrupting travel across the world's biggest country. Two Ukrainian hacking groups claimed responsibility for that attack at the time.

(Reporting by Marina BobrovaWriting by Maxim Rodionov; editing by Andrew Osborn)

Frequently Asked Questions

1What is a booking system?

A booking system is a software application that allows customers to reserve services such as flights, accommodations, or events, managing schedules and availability.

2What is flight cancellation?

Flight cancellation refers to the situation where an airline does not operate a scheduled flight, often due to technical issues, weather conditions, or operational constraints.

3What is passenger guidance?

Passenger guidance is the information and assistance provided to travelers during disruptions, helping them understand their options and next steps.