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Flexible working time models: advantages and disadvantages for companies and employees

ZEIT Perspectives Software Workplace Working time models Time Management
18 Nov 2025

Just imagine: A mild morning, the sun slowly struggling over the horizon as you sit comfortably at your breakfast table and open your laptop. The thought that you won't be stuck in morning traffic today brings a smile to your face.

Welcome to the world of flexible working models - a way of breaking down the traditional boundaries of working life and shaping your professional and personal life in a completely new way.

This is becoming more and more of a reality as today's world of work is changing and flexible working models are becoming increasingly important. In this article, we would like to take a look at the advantages and disadvantages of such models for you as an employee and for your company. From time recording to the many benefits of flexible working hours - we shed some light on the subject.

What are flexible working time models actually?

Flexible working time models are an alternative approach to traditional, rigid working time arrangements. They offer employees the opportunity to adjust their working hours to a certain extent in order to better respond to individual needs and preferences. These models break away from the traditional 9-5 working day and enable more variable working hours.

There are various types of flexible working time models, including

Flexitime

With flexitime, employees can set their own working hours within certain framework times. They often have to adhere to a core working time, while they can organize the start and end of their work flexibly.

Trust-based working hours

The focus here is on the tasks to be completed and results, rather than on the exact working hours. Employees have more freedom to organize their working hours as long as they meet their obligations.

Part-time

Employees work less than the usual full-time hours, often in a fixed time pattern (e.g. half days or on certain days of the week).

Job sharing

Two or more employees share a full-time position and share responsibilities.

Mobile working/telecommuting

Employees work from a location other than the office, often from home or another location, and use modern communication technologies to stay connected.

Seasonal working hours

In certain industries or companies that are subject to seasonal fluctuations, employees can adjust their working hours as required.

Flexible breaks and rest periods

Here, employees have fixed working hours but can organize their breaks and rest periods more flexibly in order to use their energy more effectively.

Core time models

Employees can organize their working hours flexibly, but must be present during fixed core working hours to ensure team communication.

Flexible working time models offer advantages and disadvantages for both companies and employees. We take a closer look at what these are below.

What advantages do flexible working time models offer employees?

Flexible working models offer employees a range of benefits that can improve their work-life balance, productivity and general wellbeing. Here are some of the key benefits:

1. better work-life balance:

Flexible working hours allow employees to balance their professional and personal lives more effectively. They can reserve time for family, hobbies, personal interests and social activities without having to sacrifice their professional commitments.

2. individual productivity:

Everyone has their most productive hours throughout the day. With flexible working hours, employees can get their work done when they feel most focused and efficient.

3. stress reduction:

Long commutes and the pressure to be at work on time can be stressful. Flexible working models reduce this stress as employees can do their work from home or other convenient locations.

4. health and well-being:

The ability to work flexible hours makes it easier to integrate healthy habits into everyday life. Employees can schedule time for sports, doctor's appointments or relaxation breaks, which can have a positive impact on their physical and mental health.

5. family friendliness:

Flexible working time models are particularly helpful for parents as they allow them to take better care of their children. They can adjust working hours to suit school schedules or childcare needs.

6. increased satisfaction:

Employees who have control over their working hours often feel valued and respected. This can lead to an overall higher level of satisfaction with the job and the company.

7. career development:

Flexibility can also increase opportunities for professional development, as employees are able to organize their work schedule to attend continuing education, training or networking events.

8. adaptation to individual life phases:

Flexible working time models offer the opportunity to adapt to different phases of life, be it while studying, raising children or caring for relatives.

It is important to note that the benefits can vary depending on individual needs and preferences. A flexible working time model can help employees to organize their work and life more harmoniously and thus develop a more positive attitude towards work and their own quality of life.

What are the disadvantages of flexible working time models for employees?


Despite the many advantages, flexible working time models can also have some disadvantages for employees. Here are some potential challenges:

1. Unclear separation of work and leisure:

When the boundaries between work and leisure time become blurred, it can be difficult to get enough rest and switch off. Employees may be tempted to work excessively long hours.

2. communication difficulties:

When employees work different hours, communication can become difficult. Quick coordination or discussions could be delayed, which could affect efficiency.

3. social isolation:

Less time together in the office could lead to a lack of social interaction and team spirit. The lack of informal conversations could affect personal contact.

4. overwork:

Flexible working hours could lead to employees struggling to limit their working hours as they are always available. This could lead to overwork and burnout.

5. imbalance in teamwork:

If not all team members are working at the same time, this could lead to imbalances in team collaboration. Some may feel left out or there may be difficulties in coordination.

6. restrictions in certain industries:

In some industries or positions that require regular presence, flexible work schedules might be limited due to customer requirements or operational needs.

7. difficulties in career development:

In organizations where on-site presence is considered important, employees with flexible work schedules could potentially be less visible and miss out on potential career opportunities as a result.

8. restrictions on creative collaboration:

In creative or collaborative industries, spontaneous idea exchanges and brainstorming sessions could be limited due to different working hours.

It is important to consider these potential drawbacks and develop strategies to counteract them. Striking the right balance between flexibility and clear structures is crucial to minimize the negative effects and make the most of the positive aspects of flexible working models.

What advantages do flexible working time models offer companies?


Flexible working time models offer companies a variety of benefits that can help to improve productivity, employee retention and the company's image. Here are some of the key benefits:

1. increased productivity:

Satisfied and motivated employees are often more productive. Flexible working hours allow employees to work during their most productive hours, which can increase efficiency.

2. talent attraction:

Companies that offer flexible work schedules are often more attractive to potential talent. The ability to better balance work and personal life can help attract highly skilled professionals.

3. less downtime:

Flexibility in work schedules allows employees to better integrate medical appointments and health care into their daily routines, which can lead to less time off due to illness.

4. increased employee retention:

The ability to customize work schedules to meet personal needs can increase employee retention. Employees feel valued and respected, which can strengthen their loyalty to the company.

5. diversity in the workforce:

Flexible working time models allow people with different life situations and needs to work at the company. This promotes diversity and inclusion in the workforce.

6. adaptation to seasonal fluctuations:

In industries with seasonal peaks, flexibility in working hours can help to better manage workloads without hiring additional staff.

7. employee satisfaction and motivation:

Employees who are able to work more flexible hours are often happier and more motivated, which can have a positive impact on work quality and engagement.

8. cost reduction:

Flexible working allows companies to reduce costs for office space and operating costs, as not all employees need to be in the office at the same time.

9. customer service and accessibility:

By adjusting working hours, companies can better adapt their services and accessibility to the needs of customers, which can lead to higher customer satisfaction.

10. agility and resilience:

Flexible working time models allow companies to be more agile in responding to changes and unforeseen events, such as natural disasters or pandemics.

However, it is important to note that flexible working time models can also pose certain challenges for companies. We take a closer look at what these are below.

What are the disadvantages of flexible working time models for companies?

Although flexible working time models can offer many advantages for companies, there are also some potential disadvantages that should be considered. Here are some of the challenges:

1. communication difficulties:

When employees work different hours, communication within the team or between departments can become difficult. Quick coordination and discussions could be delayed.

2. coordination problems:

Scheduling meetings, projects and team activities can become more complicated if not all employees are available at the same time. This could affect efficiency.

3. disruption of team dynamics:

Flexible work schedules could affect team dynamics as employees may have fewer opportunities to interact and build relationships in person.

4. restrictions on customer service:

If customers need service or support at certain times, flexible working hours could lead to dissatisfaction if employees are not always available.

5. difficulties in managing staff:

Managers may have to manage different employee work schedules and locations, which can create additional management challenges.

6. risk of overwork:

Employees may have difficulty limiting their working hours as they are constantly available. This could lead to overwork, burnout and a lack of work-life balance.

7. need to adapt the corporate culture:

Flexible working models often require an adjustment to the company culture to ensure that teams work together smoothly and achieve company goals.

8. risk of abuse:

In some cases, employees could abuse flexible working hours by working less than agreed or taking a disproportionate number of breaks.

9. administrative burden:

Managing flexible working arrangements often requires effective time recording and administration, which can mean additional work for HR departments.

10. challenges with team communication:

The absence of certain team members at certain times could lead to delays in projects or misunderstandings.

It is important to consider these potential disadvantages when implementing flexible working models and take appropriate measures to overcome them. A balance between flexibility and clear working structures can help to minimize the negative effects and maximize the positive aspects.

Conclusion: Flexible working time models - balancing opportunities and challenges

Flexible working time models are increasingly becoming a reality. And not without reason: they offer both employees and companies numerous advantages. For example, they offer employees the opportunity for an improved work-life balance, individual productivity, stress reduction and increased well-being. They support family friendliness, enable professional development and adapt to different phases of life. At the same time, however, they can also bring challenges such as unclear separation of work and leisure, communication difficulties and social isolation. The trick is to make the most of the advantages and minimize the disadvantages through smart planning and effective strategies.

For companies, flexible working models offer the prospect of increased productivity, better employee retention, talent attraction and a more diverse workforce. They enable cost-efficient use of resources, increased customer satisfaction and an agile response to change. However, coordination problems, challenges in employee management and adjustments to the corporate culture must also be overcome.

The path to successful flexible working time models requires a deep understanding of the needs and requirements of employees and the company. It requires openness to new ways of working, clear communication and the ability to reconcile technology and human interaction.

In an ever-changing work landscape, flexible working models offer the opportunity to redefine the way we work and align the potential of employees and the company. By weighing up the pros and cons and adapting models accordingly, you can pave the way to a more effective, satisfying and successful working environment.

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