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

92%

5%

3%

PPM

92

Trains

779

On-time (<5/10 min late)

717

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

37

V. late (>30 min) or cancelled

25

Great Western Railway routes

North Downs

  78% (44 of 56)

15%

7%

Devon

  83% (49 of 59)

17%

London - Cotswolds

  90% (20 of 22)

6%

4%

Reading & Oxford Suburban

  91% (55 of 60)

9%

South Wales - South Coast

  91% (51 of 56)

8%

1%

Thames Valley Branches

  91% (136 of 148)

9%

London - South Wales

  92% (23 of 25)

8%

Outer Thames Valley - London

  92% (91 of 98)

4%

4%

London - Bristol

  95% (43 of 45)

3%

2%

Inner Thames Valley - London

  96% (30 of 31)

4%

London - West Of England

  96% (28 of 29)

4%

Bristol Suburban

  97% (72 of 74)

3%

Plymouth & Cornwall

  98% (75 of 76)

2%

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