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

89%

9%

2%

PPM

89

Trains

693

On-time (<5/10 min late)

620

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

59

V. late (>30 min) or cancelled

14

Great Western Railway routes

North Downs

  57% (19 of 33)

25%

18%

Bristol Suburban

  79% (54 of 68)

21%

South Wales - South Coast

  82% (29 of 35)

18%

Reading & Oxford Suburban

  84% (54 of 64)

16%

London - Cotswolds

  86% (20 of 23)

14%

Outer Thames Valley - London

  86% (76 of 88)

11%

3%

Inner Thames Valley - London

  90% (45 of 50)

6%

4%

London - Bristol

  91% (22 of 24)

9%

London - South Wales

  92% (24 of 26)

8%

London - West Of England

  94% (16 of 17)

6%

Thames Valley Branches

  97% (137 of 140)

3%

Plymouth & Cornwall

  98% (80 of 81)

2%

Devon

  100% (44 of 44)

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