PPM and other performance stats for Western Elizabeth Line
Request ID: FOI-2765-2223 Date published: 16 February 2023
You asked
Please can you provide the PPM and other performance stats quoted in recent reports with a breakdown for just the Western Reading/Heathrow - Paddington/Abbey Wood section of the line? If possible, can this also be broken down by time of day? Please can you do this for the period November 2022 - January 2023.
We answered
Our ref: FOI-2765-2223/GH
Thank you for your request received by Transport for London (TfL) on 26 January 2023 asking for performance stats for the Elizabeth Line.
Your request has been considered under the requirements of the Freedom of Information Act 2000 and our information access policy. I can confirm that we do hold the information you require.
Please see below the performance for trains running from Abbey Wood to Reading / Maidenhead and Heathrow:
PPM % by Time of Day (time to 5 mins)
Operating Hours
Period
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
Period
2308
100%
86.7%
82.5%
88.4%
96.3%
95.7%
96.4%
97.3%
96.0%
96.6%
95.3%
90.2%
82.1%
84.0%
80.9%
82.1%
88.3%
91.0%
88.7%
95.7%
90.0%
2309
95.3%
89.8%
84.1%
83.5%
84.3%
88.8%
93.3%
92.3%
92.3%
89.2%
89.7%
86.6%
82.7%
81.3%
79.7%
81.2%
87.4%
88.2%
86.6%
84.6%
86.7
2310
93.3%
93.6%
91.9%
89.2%
93.5%
93.1%
95.4%
94.2%
98.1%
95.8%
95.6%
95.0%
93.4%
91.8%
93.1%
90.3%
96.2%
91.7%
89.5%
88.2%
93.5
2311
94.8%
94.5%
93.0%
87.6%
88.3%
89.8%
93.4%
95.4%
97.6%
97.3%
96.0%
92.5%
84.6%
86.4%
94.0%
95.8%
96.4%
95.1%
96.5%
87.4%
92.7
RT % by Time of Day (time to 3 mins)
Operating Hours
Period
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
Period
2308
92.0%
83.1%
68.4%
81.5%
87.0%
91.3%
93.8%
92.4%
92.0%
91.5%
90.2%
80.9%
74.4%
74.2%
74.7%
75.4%
85.4%
84.7%
81.1%
60.9%
83.3%
2309
84.4%
82.8%
72.6%
71.5%
73.7%
79.5%
88.0%
87.0%
87.0%
82.9%
81.2%
78.6%
69.0%
62.2%
68.3%
70.5%
77.9%
74.1%
77.2%
57.1%
76.7%
2310
68.6%
85.3%
85.4%
82.1%
84.3%
86.6%
90.7%
88.0%
92.3%
89.4%
91.2%
89.7%
81.9%
79.2%
86.9%
82.4%
91.8%
83.0%
78.1%
63.2%
85.9%
2311
78.3%
85.7%
83.9%
76.0%
77.4%
81.7%
87.7%
89.4%
93.9%
90.2%
91.0%
84.6%
72.8%
74.2%
84.6%
89.9%
88.9%
84.1%
82.7%
58.9%
84.0%
Periods are 4 weeks long and dated as below:
2308 = 16 October 2022 to 12 November 2022
2309= 13 November 2022 to 10 December 2022
2310 = 11 December 2022 to 07 January 2023
2311 = 08 January 2023 to 04 February 2023
If this is not the information you are looking for, or if you are unable to access it for some reason, please do not hesitate to contact me.
If you are not satisfied with this response please see the attached information sheet for details of your right to appeal.
Yours sincerely
Graham Hurt FOI Case Officer FOI Case Management Team General Counsel Transport for London