Prime Video is averaging 15.3 million viewers for the NFL season opener

LOS ANGELES — Amazon Prime Video’s first regular-season game as the exclusive home of “Thursday Night Football” was a big hit.

The Kansas City Chiefs’ 27-24 win over the Los Angeles Chargers last Thursday averaged 15.3 million viewers across all platforms, as measured by Nielsen and Amazon’s first party.

Chief Video vice president Jay Marine said in a memo to employees earlier this week that “our measurement shows that the audience numbers exceeded all of our expectations in terms of viewership.”

The game averaged 13.0 million using only Nielsen ratings. That’s a 47% increase over last year’s Week 2 game between Washington and the New York Giants, which averaged 8.84 million on NFL Network.

It was also the most-watched program on broadcast or cable television, with CBS’ “Young Sheldon” coming in second with 3.5 million.

Amazon has told advertisers it expects an average audience of 12.6 million for the season, based on Nielsen numbers. Amazon’s extra tracking numbers come from the company’s ability to measure viewing on connected TVs, their apps and who might be watching a separate stream on Twitch.

Amazon last month signed a three-year deal with Nielsen to monitor ratings. This is the first time Nielsen has tracked and included ratings for a streaming service.

The game also brought a record number of subscribers to the company’s Prime service. Prime signups during the game topped Prime Day, Cyber ​​Monday and Black Friday, Marine said.

This is the first season of an 11-year deal for Prime Video to air 15 Thursday night games.