Northern is looking at running a reduced timetable on Sundays for the next four months, the Manchester Evening News can reveal.
The rail operator has come under intense criticism in recent months over its regular cancellation of trains, particularly on Sundays.
Bosses at Northern have admitted that services are 'not good enough' - but they have warned it will take up to three years to fix.
It comes after union members rejected an interim deal for train conductors which Northern said would be key to cutting cancellations.
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