← Great Western Railway Historical

Great Western Railway

Thames Valley Branches

·

Daily Monthly

Average on time

94.8%

Over this period

Best day

100%

Worst day

74.6%

Data points

76

Days tracked

Daily PPM — last 3 months

Percentage of trains on time at final destination

On time

Late

V. late/cancelled

Data

Date

Breakdown

On time

Late

V. late

2026-10-15

99.6%

0.4%

0%

2026-10-14

88%

4.9%

7.1%

2026-10-13

98.4%

0.9%

0.6%

2026-10-12

95.6%

0.9%

3.4%

2026-10-11

92%

0.6%

7.4%

2026-10-10

96.9%

0.8%

2.3%

2026-10-09

95.6%

0%

4.4%

2026-10-08

97.5%

1.2%

1.2%

2026-10-07

97.5%

0%

2.5%

2026-10-06

96.3%

1.2%

2.5%

2026-10-05

93.7%

1.9%

4.4%

2026-10-04

95.7%

0.6%

3.7%

2026-10-03

92.2%

2%

5.9%

2026-10-02

98.8%

0.6%

0.6%

2026-10-01

98.8%

0.6%

0.6%

2026-09-30

97.8%

1.6%

0.6%

2026-09-29

93.4%

5.3%

1.3%

2026-09-28

98.8%

0.6%

0.6%

2026-09-27

98.8%

0%

1.2%

2026-09-26

96.5%

1.2%

2.3%

2026-09-25

97.2%

2.2%

0.6%

2026-09-24

97.4%

1.3%

1.3%

2026-09-23

94.4%

3.7%

1.9%

2026-09-22

99.4%

0%

0.6%

2026-09-21

95.3%

2.8%

1.9%

2026-09-20

95.1%

0%

4.9%

2026-09-19

94.8%

2.8%

2.4%

2026-09-18

100%

0%

0%

2026-09-17

95.6%

3.1%

1.3%

2026-09-16

97.2%

0.6%

2.2%

2026-09-15

96.3%

2.5%

1.2%

2026-09-14

86.9%

1%

12.1%

2026-09-13

100%

0%

0%

2026-09-12

88.1%

9.4%

2.5%

2026-09-11

94%

6%

0%

2026-09-10

89.8%

1.5%

8.7%

2026-09-09

97.2%

0.9%

1.9%

2026-09-08

90.5%

7.6%

1.9%

2026-09-07

90.3%

7.1%

2.6%

2026-09-06

96.2%

3.8%

0%

2026-09-05

87.4%

3.5%

9.1%

2026-09-04

97.2%

2.8%

0%

2026-09-03

100%

0%

0%

2026-09-02

96.6%

1.6%

1.9%

2026-09-01

97.2%

1.9%

0.9%

2026-08-31

97.2%

0.3%

2.5%

2026-08-30

96.3%

0%

3.7%

2026-08-29

90.3%

5%

4.7%

2026-08-28

89.4%

9.6%

0.9%

2026-08-27

87.6%

5.6%

6.8%

2026-08-26

98.1%

1.3%

0.6%

2026-08-25

99.4%

0.6%

0%

2026-08-24

100%

0%

0%

2026-08-23

98.2%

0.6%

1.2%

2026-08-22

93.4%

3.5%

3.1%

2026-08-21

99.4%

0.6%

0%

2026-08-20

97.2%

0.9%

1.9%

2026-08-19

94.2%

3.2%

2.6%

2026-08-18

95.3%

1.6%

3.1%

2026-08-17

99.1%

0.9%

0%

2026-08-16

97.5%

0%

2.5%

2026-08-15

96.3%

2.9%

0.8%

2026-08-14

80.8%

5.3%

13.9%

2026-08-13

76.9%

11.1%

12%

2026-08-12

74.6%

3.4%

21.9%

2026-08-11

99.1%

0.9%

0%

2026-08-10

92.5%

5%

2.5%

2026-08-09

89%

0%

11%

2026-08-08

98.4%

0.8%

0.8%

2026-08-07

97.2%

1.5%

1.2%

2026-08-06

93.2%

5.5%

1.3%

2026-08-05

96%

0.3%

3.7%

2026-08-04

93.5%

1.9%

4.6%

2026-08-03

91.6%

1.3%

7.2%

2026-08-02

96.3%

0%

3.7%

2026-08-01

98.4%

0%

1.6%