← Great Western Railway Historical

Great Western Railway

Thames Valley Branches

·

Daily Monthly

Average on time

95%

Over this period

Best day

100%

Worst day

74.6%

Data points

87

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

2026-08-26

99.1%

0%

0.9%

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%

2026-07-31

100%

0%

0%

2026-07-30

95.2%

2.2%

2.5%

2026-07-29

95.4%

1.9%

2.8%

2026-07-28

97.2%

1.5%

1.2%

2026-07-27

96.6%

0.9%

2.5%

2026-07-26

94.5%

1.8%

3.7%

2026-07-25

99.6%

0.4%

0%

2026-07-24

98.4%

1.6%

0%

2026-07-23

94.4%

3.1%

2.5%

2026-07-22

96.3%

3.1%

0.6%

2026-07-21

94.4%

5.6%

0%

2026-07-20

91.8%

1.6%

6.6%

2026-07-19

94.9%

0%

5.1%

2026-07-18

91.4%

1.2%

7.4%

2026-07-17

98.1%

1.9%

0%

2026-07-16

93.5%

3.1%

3.4%

2026-07-15

89.6%

4.7%

5.7%

2026-07-14

96.9%

2.5%

0.6%

2026-07-13

98.6%

1.4%

0%

2026-07-12

100%

0%

0%

2026-07-11

95.7%

1.2%

3.1%

2026-07-10

95%

0.6%

4.3%

2026-07-09

93.5%

2.8%

3.7%

2026-07-08

98.1%

1.2%

0.6%

2026-07-07

96.9%

1.2%

1.9%

2026-07-06

85.7%

5.7%

8.6%

2026-07-05

87.6%

4.8%

7.6%

2026-07-04

86.2%

6.9%

6.9%

2026-07-03

96%

2.7%

1.3%

2026-07-02

94.6%

3.3%

2%

2026-07-01

97.3%

1%

1.7%

2026-06-30

90.6%

7.4%

2%

2026-06-29

98.7%

0.6%

0.6%

2026-06-28

98.2%

1.8%

0%

2026-06-27

97.8%

2.2%

0%

2026-06-26

89.6%

3.8%

6.6%

2026-06-25

87.9%

0.6%

11.5%

2026-06-24

79.3%

3.3%

17.3%

2026-06-23

96.3%

2.2%

1.5%

2026-06-22

94.2%

5.8%

0%

2026-06-21

95.7%

1.8%

2.5%

2026-06-20

95.3%

0%

4.7%

2026-06-19

96.9%

1.2%

1.9%

2026-06-18

99.4%

0%

0.6%

2026-06-17

97.2%

0.9%

1.9%

2026-06-16

99.4%

0.6%

0%

2026-06-15

89.9%

4.7%

5.3%

2026-06-14

100%

0%

0%

2026-06-13

98.4%

1.6%

0%

2026-06-12

99.1%

0.3%

0.6%

2026-06-11

96.6%

1.9%

1.5%

2026-06-10

99.7%

0.3%

0%

2026-06-09

99.1%

0.3%

0.6%

2026-06-08

99%

0.3%

0.6%

2026-06-07

98.7%

1.3%

0%

2026-06-06

96.9%

0.4%

2.7%

2026-06-05

96.6%

3.4%

0%

2026-06-04

90.7%

2.5%

6.9%

2026-06-03

99.7%

0.3%

0%

2026-06-02

96%

2.2%

1.9%

2026-06-01

95.3%

1.9%

2.8%