Just one third (33%) of commuters are satisfied with the value for money of their train journey, new figures show.
This is mainly due to continued weak performance, watchdog Transport Focus said.
Some 27,000 passengers were surveyed by Transport Focus in autumn 2017, meaning the responses do not take into account the 3.4% average fare rise on January 2.
This was the largest increase in five years.
Southern was the lowest-ranked operator with a score of 72%, although this is up seven percentage points from a year earlier.
South Western Railway (SWR) suffered the largest year-on-year decline in satisfaction, from 83% to 75%.
Train reliability steadies but performance woes hit South Western Railway passengers. Find out more in the latest National Rail Passenger Survey https://t.co/1JeGYc6MS3 pic.twitter.com/jahugMi9Zc
— Transport Focus (@TransportFocus) January 30, 2018
Performance on SWR routes has struggled to recover since major disruption caused by the upgrade at London Waterloo during the summer.
Transport Focus chief executive Anthony Smith said: “For passengers it’s all about performance. These value for money scores reflect patchy reliability.
“In London and the South East, Southern, Thameslink and Southeastern passengers have felt performance pick up.
“However, South Western Railway, TransPennine Express and Arriva Trains Wales passengers, among others, have been buffeted by poorer performance.
“Train companies and Network Rail need to keep to their basic promises and deliver a relentless focus on day-to-day performance and better information during disruption.”
The independent watchdog Transport Focus has released its latest satisfaction poll. This representative survey asks nearly 28,000 rail customers about their last journey https://t.co/HcWZ0I8pHB pic.twitter.com/930eGPOywz
— Rail Delivery Group (@RailDeliveryGrp) January 30, 2018
Grand Central topped the satisfaction table at 96%, followed by Hull Trains (95%) and Virgin Trains East Coast (92%).
Jacqueline Starr, a managing director at the Rail Delivery Group, representing operators and Network Rail, said: “Four out of five journeys were rated satisfactory or good by our customers but we know there is much more to do, which is why rail companies are working together with a long term plan to change and improve.”