← Greater Thameslink Railway Historical
Greater Thameslink Railway

Great Northern Outer

·
Average on time
71.5%
Over this period
Best month
80.6%
Worst month
59.1%
Data points
31
Months tracked
Monthly PPM
Percentage of trains on time at final destination
On time
Late
V. late/cancelled
Data
Month
Breakdown
On time
Late
V. late
2026-08
61%
22.2%
16.9%
2026-07
59.1%
23.4%
17.5%
2026-06
69.5%
18.3%
12.2%
2026-05
73.2%
15.3%
11.5%
2026-04
76.1%
13.5%
10.5%
2026-03
78.6%
15%
6.3%
2026-02
76.6%
15.6%
7.8%
2026-01
74.8%
17.2%
8%
2025-12
70.1%
19.1%
10.8%
2025-11
71.4%
18.6%
10%
2025-10
72.1%
20.8%
7.1%
2025-09
68.1%
21.3%
10.5%
2025-08
68.3%
20.2%
11.5%
2025-07
70.3%
16.8%
12.9%
2025-06
71.7%
17.4%
10.9%
2025-05
74.4%
17.1%
8.4%
2025-04
76.1%
17.2%
6.7%
2025-03
79.6%
14.8%
5.6%
2025-02
68.1%
21.8%
10.1%
2025-01
73.7%
20.3%
6%
2024-12
63.7%
20.6%
15.7%
2024-11
69.1%
21.7%
9.1%
2024-10
72%
17.9%
10.1%
2024-09
69.2%
20.4%
10.4%
2024-08
72.1%
18.2%
9.7%
2024-07
69.1%
19.4%
11.5%
2024-06
73.8%
17.7%
8.4%
2024-05
74.1%
17.8%
8.1%
2024-04
65.4%
24.2%
10.4%
2024-03
80.6%
13.2%
6.1%
2024-02
74.1%
18.3%
7.6%