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

Heathrow Express

82%

13%

5%

PPM

82

Trains

34

On-time (<5/10 min late)

28

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

4

V. late (>30 min) or cancelled

2

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