KUALA LUMPUR (Jan 14): AirAsia Group Bhd will be upgrading its Navitaire New Skies reservation system this weekend as part of its continuing effort to provide guests an enhanced online experience.

The upgrading works will cause the online reservation system to be temporarily unavailable for the public to use.

"Flight booking will be unavailable during this period from 2.00pm on Saturday, Jan 19, 2019 (GMT +8) to 3.00am on Sunday, Jan 20, 2019 on airasia.com, AirAsia mobile app, AirAsia sales offices, counters and call centres.

"Guests will also not be able to perform self-check in via the web, mobile app and airport kiosks or manage their bookings until the upgrade is completed," said AirAsia in a statement today.

The low-cost carrier strongly advised guests flying during this period to perform an online check-in ahead of the upgrade period and to print out their boarding passes, or use the e-boarding passes where available.

Web and mobile check-in are available from 14 days before departure for all AirAsia and AirAsia X flights.

"Guests are also encouraged to be at the airport at least three hours before their flights to avoid any travel inconvenience," it added.

At 2.46pm, AirAsia shares fell three sen or 1% to RM2.91, giving it a market capitalisation of RM9.83 billion. Meanwhile, AirAsia X Bhd (AAX) shares fell 0.5 sen or 1.7% to 28.5 sen, bringing it a market capitalisation of RM1.2 billion.