Big league stuff for Skyscanner potentially, with it securing a deal to provide flight search to MSN in all of the Microsoft-run brand's global markets.
Due to be announced later this week, the UK-based metasearch engine will power a flight channel within MSN Travel for 31 countries.
These include the US, UK, Australia, India, Singapore, France, Hong Kong and Mexico, with 17 different languages supported.
The channel is completely branded as MSN (a white label "powered by Skyscanner"), with most of the same features available to users on the main Skyscanner website.
Skyscanner's test of facilitated bookings, revealed by Tnooz last week, will not be included in white label.
The incumbent on the MSN partnership was Priceline Group-owned and global Skyscanner rival, Kayak.
TripAdvisor currently provides hotel search tools within MSN Travel.
A Skyscanner official says the MSN agreement will bring the number of White Labels to 60, including Groupon and Secret Escapes.
This latest deal is not the first time that Skyscanner has taken over white label duties from Kayak.
Lonely Planet switched flight search partners in the same direction in July 2014, ending what was by then a ten-year partnership with Kayak.
The new flight search tools on MSN are replicated on its mobile website, but the MSN Travel mobile app will be discontinued in September this year.
Incidentally, MSN never pushed the app beyond those for Microsoft-hosted products to versions for Android and Apple devices.
MSN currently sits as the default browser homepage on the 400 million or so Windows-run PCs each year.
Figures from ComScore in September last year pointed to some 380 million unique visitors to MSN a month., although this figure has been rumoured to be on a slowly downward trajectory.