[7] It originally ran via Crewe but, from September 2012, it was rerouted via Wrexham General after a Driving Van Trailer was added; this allowed the train to change direction at Chester.

[10][11] It resumed in June 2021, with Class 67 hauled Mark 4 coaches and, as of August 2021[update], three trains in each direction now operate five days a week.

[12][13][14] The Premier Service departs Holyhead at 05:33, 11:33 and 16:36 five days a week; they leave Cardiff Central at 06:45, 11:22 and 17:16.

First class customers have the option of purchasing a breakfast, lunch or dinner, cooked to order, by the on-board chef.

As well as serving Cardiff to Holyhead, Transport for Wales introduced three services each day between Swansea and Manchester using the same rolling stock.