@codl It might depend on the data source they're using. They might not be using the transit agency's direct data.

Since the start of the year, Transitous, one of the data sources on Travelynx, has been showing many duplicate entries for departures here in strasbourg. Its never been the highest quality source, but there might have been some added pollution recently.

Transit however doesn't seem affected here, and typically the ETAs are closer to being accurate than the IRL departure boards.