The first useful response to a delayed train is usually to find out what the operator is saying. Platform rumors, an old journey-planner result and a social-media post may all refer to different services. Use the operator's current announcements or staff guidance, and check whether the delay affects your connection as well as the service in front of you.
A little preparation makes that wait easier. Save the operator's website and customer-service details before a journey you do not know well. Keep the booking reference available offline, along with the destination address and the number of anyone collecting you. A screenshot can preserve useful information, although some tickets use changing codes and still require the operator's app.
Give the wait a workable shape
Carry water and a snack that suits your usual diet. Put them where they are accessible without unpacking luggage on the platform. A light extra layer is useful when the station is colder than the vehicle you expected to board. Keep medication you need during the journey with you, following its storage instructions, rather than in luggage you cannot reach.
Use the available information to decide when to reassess. That might be after the next official update, before the last connecting service, or before a staffed waiting area closes. Repeatedly refreshing five apps can drain the phone without producing a better decision. Turn down unnecessary screen use and keep enough battery for your ticket and a call.
If you need assistance, tell staff early and describe the practical issue: a missed accessible connection, a traveling child, or a medical need affected by a long delay. Do not assume the next departure offers the same boarding arrangements. Confirm before moving to a different platform or leaving the station.
Know your alternative before paying for it
Check whether another service is actually running and whether your ticket is valid on it. Rules differ by operator and disruption, so avoid guessing that a replacement taxi or hotel will be reimbursed. Ask about the current arrangements, keep receipts where relevant, and separate that paperwork from the immediate decision about getting somewhere safe.
Choose a staffed or well-used waiting area when possible, keep belongings close and follow station safety instructions. Never cross tracks or enter a restricted route because it appears to offer a shortcut to another platform.
Send a short update to the person expecting you once there is something useful to report. If the journey is no longer sensible that day, an overnight stop may be the better option. The aim of the pouch in your bag is to buy time and comfort for that decision, not to make you stay with an unusable itinerary indefinitely.