← Greater Thameslink Railway Historical
Greater Thameslink Railway

Southern West London Line

Historical
·
Daily Monthly
Average on time
84.9%
Over this period
Best month
93.1%
Worst month
68.8%
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
80.9%
5.8%
13.3%
2026-07
80.9%
8.8%
10.3%
2026-06
79.2%
10.3%
10.5%
2026-05
76.3%
9.1%
14.5%
2026-04
87.1%
8.1%
4.8%
2026-03
89%
5%
5.9%
2026-02
83.2%
7.6%
9.1%
2026-01
81.2%
11.2%
7.7%
2025-12
85.9%
8.6%
5.5%
2025-11
84.1%
9.5%
6.5%
2025-10
82%
8.8%
9.3%
2025-09
84.6%
7.6%
7.7%
2025-08
81.3%
5.6%
13.1%
2025-07
88.5%
6.3%
5.2%
2025-06
85.1%
7%
7.8%
2025-05
91.1%
7.2%
1.7%
2025-04
88.6%
7.9%
3.6%
2025-03
88.9%
6.2%
4.9%
2025-02
87.2%
6.3%
6.5%
2025-01
85.1%
6.6%
8.3%
2024-12
87.2%
6%
6.7%
2024-11
81.9%
11.6%
6.5%
2024-10
87.5%
9.2%
3.4%
2024-09
84.8%
8.8%
6.4%
2024-08
87.4%
6.8%
5.8%
2024-07
86%
6.1%
7.9%
2024-06
84.9%
6.5%
8.6%
2024-05
90.6%
4.8%
4.7%
2024-04
93.1%
6.9%
0%
2024-03
68.8%
10.9%
20.2%
2024-02
88.1%
8.3%
3.5%