Train Punctuality, Delay Reasons, and Mitigation (Wellington-bound Services, 7:00–9:30am)
W made this Official Information request to KiwiRail
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From: W
Dear KiwiRail,
I am requesting the following information regarding all train services scheduled to arrive at Wellington Railway Station between 7:00am and 9:30am, for each of the past five calendar years (2019–2024):
1. On-time performance data
Please provide:
1.1 The total number of scheduled services
1.2 The number and percentage of on-time services
1.3 The number and percentage of delayed services
This should be provided in two formats:
- Daily-level data (i.e. each service per day, with its scheduled and actual arrival time)
- Annual aggregated data (summarised counts and percentages per year)
2. Delay analysis
For all delayed services, please provide:
2.1 A breakdown of the reasons for delays (e.g. mechanical issues, staffing, weather, infrastructure, etc.)
2.2 The count and percentage of each delay reason per year
Acknowledgement that multiple reasons may apply to a single delay
This should also be provided in both:
- Daily-level detail (with delay reasons per service)
- Annual summaries (aggregated counts and percentages)
3. Mitigation and improvement efforts
Please provide:
3.1 Any mitigation plans or operational changes implemented in response to delay trends
3.2 Any evaluations or outcomes of those mitigation efforts
3.3 Any current or planned initiatives aimed at improving on-time performance for these services
4. Raw data request
I request access to the underlying raw data used to generate the above statistics, ideally in a machine-readable format (e.g. CSV, Excel, or similar). This should include:
Service identifiers
Scheduled and actual arrival times
Delay durations
Delay reasons (if applicable)
Date of service
Kind regards,
W
From: W
Dear KiwiRail,
follow up - please provide the aggregated information for on-time services and reasons by year, by train line.
Yours faithfully,
W
From: Dave Allard
KiwiRail
Good afternoon
We have received your request dated 25 June 2025, for information on the punctuality of Wellington Bound services, and reasons for any delays over the past five years.
We have transferred your request to Metlink, as part of Greater Wellington, as this information is not held by us and is more closely connected with the functions of Metlink - i.e. they run the services.
In these circumstances, we are required by section 14 of the OIA to transfer your request.
You will hear further from Metlink concerning your request.
Kind regards
Dave
Dave Allard | Senior Government Relations Advisor
DDI: 027 201 8182
Level 4, Wellington Railway Station, Bunny Street, Wellington 6011 | PO Box 593, Wellington 6140, New Zealand
www.kiwirail.co.nz
show quoted sections
From: Records
Kia ora,
Acknowledgement of Transfer Request for Information under the Local
Government Official Information and Meetings Act 1987.
Thank you for your request transferred from Kiwirail on 27 June 2025,
requesting information regarding train punctuality, delay reasons and
mitigation (Wellington-bound Services, 7:00–9:30am)
A reply to your request will be sent to you by 25 July 2025 within 20
working days of the request being received.
Please note that it is our policy to proactively release our responses to
official information requests on our website where appropriate. Personal
information will not be included.
Ngā mihi,
Darrell
Information Management Team
For Luke Troy
Group Manager
Strategy
Greater Wellington Regional Council
ATTENTION: This correspondence is confidential and intended for the named
recipient(s) only. If you are not the named recipient and receive this
correspondence in error, you must not copy, distribute or take any action
in reliance on it and you should delete it from your system and notify the
sender immediately. Unless otherwise stated, any views or opinions
expressed are solely those of the author, and do not represent those of
the organisation.
From: Lily Andrews
Kia ora,
Thank you for your request for information on all trains scheduled to
arrive at Wellington Station between 7:00am and 9:30am. We are currently
actioning your request for information, and were wondering if you could
please provide some clarification on the below points to assist us with
providing you the most useful information:
1. You specified a date range of 2019 – 2025 for this request, can we
please confirm that you aren’t after any data from this current year
(2025)?
2. Would you like this information to include weekends and public
holidays, or only weekdays?
3. You have specified a time range of 7:00am – 9:30am, are you after
information only in the morning peak or specifically between these
hours?
An initial content search has been carried out with regard to the
information you’ve requested in part 3 of your request (copied below), and
has returned 4240 items. This is being assessed as a minimum of amount of
70 hours of work for officers to assess each item. As such, we have
identified that in order to provide the information requested, it will
unduly impact the organisation’s BAU operations. We would like to request
that you refine the following part of your query, or we may consider
extending, charging or refusing within the grounds of the Act.
“3. Mitigation and improvement efforts
Please provide:
3.1 Any mitigation plans or operational changes implemented in response to
delay trends
3.2 Any evaluations or outcomes of those mitigation efforts
3.3 Any current or planned initiatives aimed at improving on-time
performance for these services”
We appreciate your assistance and happy to call to discuss further! 😊
Nga mihi,
Lily Andrews (she/her)
Kairuruku| Policy Coordinator
Metlink
M 021731607
100 Cuba St, Te Aro, Wellington 6011
Follow us online: [1]Facebook
To find out how to plan your journey, go to metlink.org.nz
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ATTENTION: This correspondence is confidential and intended for the named
recipient(s) only. If you are not the named recipient and receive this
correspondence in error, you must not copy, distribute or take any action
in reliance on it and you should delete it from your system and notify the
sender immediately. Unless otherwise stated, any views or opinions
expressed are solely those of the author, and do not represent those of
the organisation.
References
Visible links
1. https://www.facebook.com/metlinkwgtn
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