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

93%

7%

0%

PPM

93

Trains

931

On-time (<5/10 min late)

869

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

57

V. late (>30 min) or cancelled

5

Great Western Railway routes

Reading & Oxford Suburban

  84% (74 of 88)

16%

London - West Of England

  86% (20 of 23)

6%

8%

North Downs

  86% (37 of 43)

14%

Inner Thames Valley - London

  87% (95 of 108)

13%

London - Cotswolds

  90% (27 of 30)

10%

Bristol Suburban

  93% (87 of 93)

7%

Devon

  93% (56 of 60)

4%

3%

London - Bristol

  93% (29 of 31)

7%

Outer Thames Valley - London

  94% (66 of 70)

5%

1%

Heathrow Local Service

  95% (21 of 22)

5%

South Wales - South Coast

  96% (48 of 50)

4%

Plymouth & Cornwall

  96% (98 of 102)

4%

London - South Wales

  100% (33 of 33)

Thames Valley Branches

  100% (175 of 175)

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