After initially announcing the Nintendo Switch online service to start in Fall 2017, Nintendo shared in its latest financial results briefing that it will start in September 2018.
Here’s a quote from Nintendo President Tatsumi Kimishima:
Next let’s talk about Nintendo Switch Online, the paid subscription service that expands the online functionality of the Nintendo Switch. We reported previously that the service would launch in 2018, and now the official start time has been set to September 2018. Work is progressing on ways to further heighten the gaming experience for consumers. Details will be made available as they are finalized.
The Nintendo Switch online service starts September 2018 and will be free until then. The pricing is at $20 for a year of service, and you can check out what else it offers in our previous report.