Performance and reliability

These pages show live Public Performance Measure (PPM) statistics.

Trains are classed as 'on-time' if less than 5 minutes late at their final destination (less than 10 minutes if long distance).

Key: On-time (<5/10 min late) Late (>5/10 min & <30 min) V. late (>30 min) or cancelled

Great Western Railway

82%

16%

2%

PPM

82

Trains

633

On-time (<5/10 min late)

524

Late (>5/10 min & <30 min)

93

V. late (>30 min) or cancelled

16

Great Western Railway routes

North Downs

  49% (25 of 51)

51%

South Wales - South Coast

  73% (44 of 60)

26%

1%

Inner Thames Valley - London

  74% (20 of 27)

19%

7%

Outer Thames Valley - London

  77% (45 of 58)

23%

Bristol Suburban

  81% (48 of 59)

14%

5%

Devon

  83% (44 of 53)

17%

Plymouth & Cornwall

  83% (75 of 90)

9%

8%

London - West Of England

  85% (18 of 21)

6%

9%

London - Bristol

  86% (26 of 30)

14%

London - Cotswolds

  88% (24 of 27)

12%

London - South Wales

  95% (19 of 20)

5%

Thames Valley Branches

  99% (131 of 132)

1%

Reading & Oxford Suburban

  100% (5 of 5)

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