Appointment reminders: what to send and when

A useful appointment message answers three questions: when and where should I be, what do I need to do beforehand, and how can I change my plans?

Build your messages around those questions. Confirm the arrangement when a booking is accepted, send a reminder while the customer still has time to act, and provide arrival details when they are useful. The templates below are starting points to adapt to your services and policies.

Confirm the appointment and the practical details

A confirmation should identify the business and service, then give the customer enough information to attend. Include:

• The full date, time, and time zone.
• The expected appointment length.
• The address or the way to join a remote appointment.
• Any preparation or items to bring.
• A way to change the appointment or contact the business.

Only describe an appointment as confirmed once it has been accepted. If you review requests first, acknowledge the request and explain when the customer can expect a decision.

Confirmation template

Subject: Your appointment with [business name]

Hi [first name], your [service] is confirmed for [full date] at [time and time zone]. Please allow [duration].

[Address and arrival instructions, or instructions for joining online.]

Before your appointment, please [preparation].

Need to make a change? [Manage appointment link or contact details]. Changes can be made until [full deadline date, time, and time zone], under our [policy link].

Remove any line that does not apply. The change deadline and policy must reflect your actual arrangement with the customer. A management link should open the relevant appointment; if your process uses a phone call or email instead, say that plainly.

Keep sensitive information out of subject lines and short notifications that may appear on a lock screen. Include only the details needed for the purpose of the message.

Send the first reminder while changes are still possible

Choose the timing by asking what you want the customer to be able to do. If changes close 24 hours before an appointment, a reminder sent three hours beforehand will be too late for that option.

Here is one possible sequence for an appointment booked several days ahead. The timing is illustrative, not a recommended default for every business.

For a booking made only 12 hours ahead, send the confirmation and any useful arrival information. There is no reason to send a reminder whose intended time has already passed. Avoid placing several messages close together when they repeat the same information.

Use the communication channels the customer has agreed to and respect their preferences. Make sure someone is responsible for checking reported delivery failures; a sent message does not establish that a customer read it.

Reminder before the change deadline

Hi [first name], a reminder of your appointment with [business name] on [full date] at [time and time zone].

If your plans have changed, please [manage appointment link or contact details] by [full deadline date, time, and time zone].

[One useful preparation detail, if needed.]

A deadline written as a full date and time is easier to act on than a message that simply says “24 hours’ notice.” Make the customer’s next step clear.

Use an arrival reminder when it adds something useful

An arrival reminder can carry the details people need while getting ready or travelling. It does not need to repeat every paragraph of the confirmation.

Arrival reminder template

Your appointment with [business name] is on [full date] at [time and time zone].

Find us at [address and entrance details]. Please bring [item, if needed].

If you are running late or need help finding us, contact [contact details].

For a remote appointment, replace the address with the joining instructions. Keep the date even if the appointment is later the same day, so the message still makes sense when viewed afterward.

If the message offers a change link, describe what remains possible at that point. A reminder sent after your change deadline should not imply that the same earlier options are still available.

Confirm changes and cancellations

After a reschedule is confirmed, the customer should receive the new details and stop receiving reminders for the old time. A proposed alternative should remain a proposal until the change is agreed.

Rescheduling template

Your appointment with [business name] has moved from [old full date, time, and time zone] to [new full date, time, and time zone].

[Updated location or preparation details, if needed.]

View the current appointment or contact us here: [manage appointment link or contact details].

For a cancellation, a short acknowledgement is enough: “Your appointment with [business name] on [full date] at [time and time zone] has been cancelled.” You can include a way to book again, but make clear that no replacement appointment has been reserved.

Keep messages consistent with the policies customers saw when they booked. Do not introduce a new cancellation condition in a reminder.

Track no-shows and cancellations consistently

Clear messages cannot address every reason someone misses an appointment. If you want to assess changes to your reminder process, first agree how the team records attendance.

Keep completed appointments, no-shows, and cancellations distinct. Decide when an appointment is marked as a no-show, and record late cancellations separately if that distinction is useful to your business.

One simple measure is the share of appointments ending in either completion or a no-show that were missed:

No-show rate = no-shows ÷ (completed appointments + no-shows) × 100

For this measure, use appointments whose scheduled start falls in the period and whose attendance outcome is settled. Count a rescheduled appointment at its final scheduled date. Exclude future appointments and unresolved outcomes.

In an illustrative month with 90 completed appointments and 10 no-shows, the rate is 10 ÷ (90 + 10) × 100 = 10%. If eight other appointments were cancelled, count them separately. If there are no completed appointments or no-shows, report “no attendance data” rather than a zero rate.

This measure does not describe all lost appointment time. A lower no-show rate alongside more late cancellations may still leave gaps. Record whether cancelled times were filled, and compare similar periods without treating one week’s change as proof that a particular message caused it.

Before enabling a new message sequence, read it on a phone and check its dates, links, and deadlines against your policy. Ask someone on the team whether they could attend or make a change using the message alone. That is a useful first check of whether the copy does its job.