diff --git a/assets/styles/components/timeline.css b/assets/styles/components/timeline.css
index 058b79a..5ffb146 100644
--- a/assets/styles/components/timeline.css
+++ b/assets/styles/components/timeline.css
@@ -1,4 +1,4 @@
 .scroll-container {
     @apply overflow-scroll;
-    max-height: calc(100vh - 140px);
+    max-height: calc(100vh - 240px);
 }
diff --git a/src/Controller/Administrative/Assignment/TimelineController.php b/src/Controller/Administrative/Assignment/TimelineController.php
index 3b55fc3..495153c 100644
--- a/src/Controller/Administrative/Assignment/TimelineController.php
+++ b/src/Controller/Administrative/Assignment/TimelineController.php
@@ -2,9 +2,9 @@
 
 namespace App\Controller\Administrative\Assignment;
 
-use App\Model\AssignmentFilterDto;
 use App\Repository\AssignmentRepository;
 use App\Service\Assignment\TimelineService;
+use App\Service\Common\TimelineFilterHandler;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -14,7 +14,8 @@ class TimelineController extends AbstractController
 {
     public function __construct(
         private readonly AssignmentRepository $assignmentRepository,
-        private readonly TimelineService $timelineService
+        private readonly TimelineService $timelineService,
+        private readonly TimelineFilterHandler $filterHandler
     ) {
     }
 
@@ -23,12 +24,9 @@ class TimelineController extends AbstractController
     public function index(): Response
     {
         $period = $this->timelineService->getActiveWindow();
-        $filterDto = new AssignmentFilterDto();
-        $filterDto
-            ->setDateFrom($period->first()->toDateTimeImmutable())
-            ->setDateTo($period->last()->toDateTimeImmutable())
-            ->setIncludePast(true)
-        ;
+        $this->filterHandler->setPeriod($period);
+
+        $filterDto = $this->filterHandler->getFilterSettings();
 
         $assignments = $this
             ->assignmentRepository
@@ -40,6 +38,7 @@ class TimelineController extends AbstractController
         return $this->render('administrative/assignment/timeline.html.twig', [
             'data' => $timelineData,
             'period' => $period,
+            'filterDto' => $filterDto,
         ]);
     }
 }
diff --git a/src/Controller/Common/TimelineFilterController.php b/src/Controller/Common/TimelineFilterController.php
new file mode 100644
index 0000000..1f4d6f3
--- /dev/null
+++ b/src/Controller/Common/TimelineFilterController.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Controller\Common;
+
+use App\Controller\Traits\ReturnUrlTrait;
+use App\Form\TimelineFilterType;
+use App\Htmx\HxRedirectResponse;
+use App\Service\Assignment\TimelineService;
+use App\Service\Common\TimelineFilterHandler;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+class TimelineFilterController extends AbstractController
+{
+    use ReturnUrlTrait;
+
+    public function __construct(
+        private readonly TimelineFilterHandler $filterHandler,
+        private readonly TimelineService $timelineService,
+    ) {
+        $period = $this->timelineService->getActiveWindow();
+        $this->filterHandler->setPeriod($period);
+    }
+
+    #[Route('/common/timeline/filter', name: 'app_common_timeline_filter')]
+    #[IsGranted('ROLE_ADMINISTRATIVE')]
+    public function index(Request $request): Response
+    {
+        $formData = $this->filterHandler->getFilterSettings();
+        $formOptions = [
+            'min_date' => $formData->getPeriod()->first()->toDateTimeImmutable(),
+            'max_date' => $formData->getPeriod()->last()->toDateTimeImmutable(),
+        ];
+
+        $form = $this->createForm(TimelineFilterType::class, $formData, $formOptions);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $this->filterHandler->handleRequest($form);
+            $returnUrl = $this->getReturnUrl($request, 'app_administrative_assignment_timeline');
+
+            return new HxRedirectResponse($returnUrl);
+        }
+
+        return $this->render('common/modal_timeline_filter.html.twig', [
+            'filterForm' => $form->createView(),
+            'filterDto' => $form->getData(),
+        ]);
+    }
+
+    #[Route('/common/timeline/filter/reset', name: 'app_common_timeline_filter_reset')]
+    public function reset(Request $request): Response
+    {
+        $this->filterHandler->resetFilterSettings();
+        $returnUrl = $this->getReturnUrl($request, 'app_administrative_assignment_timeline');
+
+        return $this->redirect($returnUrl);
+    }
+}
diff --git a/src/Form/TimelineFilterType.php b/src/Form/TimelineFilterType.php
new file mode 100644
index 0000000..1e321d6
--- /dev/null
+++ b/src/Form/TimelineFilterType.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace App\Form;
+
+use App\Model\TimelineFilterDto;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class TimelineFilterType extends AbstractType
+{
+    private array $hotelChoices = [];
+
+    public function __construct(private readonly array $destinations)
+    {
+        $destinations = $this->destinations;
+        sort($destinations);
+        foreach ($destinations as $item) {
+            $this->hotelChoices[$item] = $item;
+        }
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('dateFrom', DatepickerType::class, [
+                'label' => 'Zeitraum von',
+                'required' => false,
+                'min_date' => $options['min_date'],
+                'max_date' => $options['max_date'],
+                'attr' => [
+                    'placeholder' => 'nicht filtern',
+                ],
+            ])
+            ->add('dateTo', DatepickerType::class, [
+                'label' => 'Zeitraum bis',
+                'required' => false,
+                'min_date' => $options['min_date'],
+                'max_date' => $options['max_date'],
+                'attr' => [
+                    'placeholder' => 'nicht filtern',
+                ],
+            ])
+            ->add('apply', SubmitType::class, [
+                'label' => 'filtern',
+            ])
+            ->add('reset', SubmitType::class, [
+                'label' => 'reset',
+            ])
+        ;
+
+        $builder
+            ->add('hotels', MultiselectType::class, [
+                'label' => 'Haus/Destination',
+                'required' => false,
+                'empty_label' => 'nicht filtern',
+                'choices' => $this->hotelChoices,
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver
+            ->setDefaults([
+                'data_class' => TimelineFilterDto::class,
+                'min_date' => null,
+                'max_date' => null,
+            ])
+            ->setAllowedTypes('min_date', [\DateTimeImmutable::class, 'null'])
+            ->setAllowedTypes('max_date', [\DateTimeImmutable::class, 'null'])
+        ;
+    }
+}
diff --git a/src/Model/AbstractFilterDto.php b/src/Model/AbstractFilterDto.php
index 41c4cf8..81c555a 100644
--- a/src/Model/AbstractFilterDto.php
+++ b/src/Model/AbstractFilterDto.php
@@ -17,6 +17,12 @@ abstract class AbstractFilterDto
 
         foreach ($reflection->getProperties() as $property) {
             $name = $property->getName();
+
+            // don't count properties starting with '_'
+            if (str_starts_with($name, '_')) {
+                continue;
+            }
+
             if ($this->$name !== $freshInstance->$name) {
                 ++$filterCount;
             }
@@ -24,4 +30,4 @@ abstract class AbstractFilterDto
 
         return $filterCount;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Model/AssignmentFilterDto.php b/src/Model/AssignmentFilterDto.php
index 4ca6c91..84ea219 100644
--- a/src/Model/AssignmentFilterDto.php
+++ b/src/Model/AssignmentFilterDto.php
@@ -2,9 +2,6 @@
 
 namespace App\Model;
 
-use App\Entity\Destination;
-use App\Entity\JobProfile;
-
 class AssignmentFilterDto extends AbstractFilterDto
 {
     public const DURATION_WEEKEND = 1;
@@ -116,4 +113,4 @@ class AssignmentFilterDto extends AbstractFilterDto
 
         return $this;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Model/TimelineFilterDto.php b/src/Model/TimelineFilterDto.php
new file mode 100644
index 0000000..8774d45
--- /dev/null
+++ b/src/Model/TimelineFilterDto.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Model;
+
+use Carbon\CarbonPeriod;
+
+class TimelineFilterDto extends AssignmentFilterDto
+{
+    protected ?CarbonPeriod $_period = null;
+
+    public function getPeriod(): ?CarbonPeriod
+    {
+        return $this->_period;
+    }
+
+    public function setPeriod(?CarbonPeriod $_period): static
+    {
+        $this->_period = $_period;
+
+        return $this;
+    }
+}
diff --git a/src/Model/TimelineItem.php b/src/Model/TimelineItem.php
index 5ca1d82..18350a2 100644
--- a/src/Model/TimelineItem.php
+++ b/src/Model/TimelineItem.php
@@ -159,6 +159,6 @@ class TimelineItem
             return 1;
         }
 
-        return $this->getDateFrom()->diff($this->getDateTo())->days;
+        return $this->getDateFrom()->diff($this->getDateTo())->days + 1;
     }
 }
diff --git a/src/Repository/AssignmentRepository.php b/src/Repository/AssignmentRepository.php
index 7add518..324265a 100644
--- a/src/Repository/AssignmentRepository.php
+++ b/src/Repository/AssignmentRepository.php
@@ -6,6 +6,7 @@ use App\Entity\Application;
 use App\Entity\Assignment;
 use App\Entity\Teamer;
 use App\Model\AssignmentFilterDto;
+use App\Model\TimelineFilterDto;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\ORM\Query;
 use Doctrine\ORM\Query\Expr\Join;
@@ -309,4 +310,29 @@ class AssignmentRepository extends ServiceEntityRepository
 
         return array_column($availableAssignments, 'id');
     }
+
+    public function getSelectableHotelCodes(): array
+    {
+        $qb = $this->createQueryBuilder('assignment');
+
+        $codes = [];
+
+        $result = $qb
+            ->select('assignment.id', 'destination.hotelCode')
+            ->innerJoin('assignment.destination', 'destination')
+            ->groupBy('destination.hotelCode')
+            ->orderBy('destination.hotelCode', 'ASC')
+            ->getQuery()
+            ->getArrayResult();
+
+        foreach ($result as $row) {
+            if (str_starts_with($row['hotelCode'], 'SER')) {
+                $codes[] = substr($row['hotelCode'], 2, 3);
+            } else {
+                $codes[] = substr($row['hotelCode'], 0, 3);
+            }
+        }
+
+        return array_unique($codes);
+    }
 }
diff --git a/src/Service/Assignment/TimelineService.php b/src/Service/Assignment/TimelineService.php
index c94d446..d43ddd5 100644
--- a/src/Service/Assignment/TimelineService.php
+++ b/src/Service/Assignment/TimelineService.php
@@ -49,8 +49,8 @@ class TimelineService
             foreach ($row as $entry) {
                 /** @var TimelineItem $entry */
                 if (
-                    $item->getDateFrom() >= $entry->getDateFrom() && $item->getDateFrom() < $entry->getDateTo()
-                    || $item->getDateTo() >= $entry->getDateFrom() && $item->getDateTo() < $entry->getDateTo()
+                    $item->getDateFrom() >= $entry->getDateFrom() && $item->getDateFrom() <= $entry->getDateTo()
+                    || $item->getDateTo() >= $entry->getDateFrom() && $item->getDateTo() <= $entry->getDateTo()
                 ) {
                     $addToRow = false;
                 }
diff --git a/src/Service/Common/TimelineFilterHandler.php b/src/Service/Common/TimelineFilterHandler.php
new file mode 100644
index 0000000..c922753
--- /dev/null
+++ b/src/Service/Common/TimelineFilterHandler.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Service\Common;
+
+use App\Model\AbstractFilterDto;
+use App\Model\TimelineFilterDto;
+use Carbon\CarbonPeriod;
+
+class TimelineFilterHandler extends AbstractFilterHandler
+{
+    protected string $namespace = 'filter:timeline';
+    protected ?CarbonPeriod $period = null;
+
+    public function setPeriod(CarbonPeriod $period): void
+    {
+        $this->period = $period;
+    }
+
+    public function getFilterSettings(): TimelineFilterDto
+    {
+        if (null === $data = $this->getSession()->get($this->namespace)) {
+            $filterDto = new TimelineFilterDto();
+            $filterDto->setPeriod($this->period);
+
+            return $filterDto;
+        }
+
+        $filterDto = new TimelineFilterDto();
+
+        // override dates from form in case outside of selectable period
+        $periodFrom = $this->period->first()->toDateTimeImmutable();
+        $periodTo = $this->period->last()->toDateTimeImmutable();
+
+        if (isset($data['date_from'])) {
+            $dateFrom = max($periodFrom, $data['date_from']);
+            $periodFrom = $dateFrom;
+        }
+        if (isset($data['date_to'])) {
+            $dateTo = max($periodTo, $data['date_to']);
+            $periodTo = $dateTo;
+        }
+        if (isset($data['hotels']) && 0 < count($data['hotels'])) {
+            $filterDto->setHotels($data['hotels']);
+        }
+
+        $filterDto->setPeriod(new CarbonPeriod($periodFrom, $periodTo));
+
+        return $filterDto;
+    }
+
+    protected function saveFilterSettings(AbstractFilterDto $filterDto): void
+    {
+        /** @var TimelineFilterDto $filterDto */
+        $this->getSession()->set($this->namespace, [
+            'date_from' => $filterDto->getDateFrom(),
+            'date_to' => $filterDto->getDateTo(),
+            'hotels' => $filterDto->getHotels(),
+        ]);
+    }
+}
diff --git a/templates/administrative/assignment/timeline.html.twig b/templates/administrative/assignment/timeline.html.twig
index bb05fce..38aba31 100644
--- a/templates/administrative/assignment/timeline.html.twig
+++ b/templates/administrative/assignment/timeline.html.twig
@@ -1,13 +1,38 @@
 {% extends 'administrative/layout.html.twig' %}
 
-{% block title %}Einsatzübersicht{% endblock %}
+{% block title %}Timeline{% endblock %}
 
 {% block content %}
+    <div class="flex items-start justify-between pb-4">
+        <h1 class="text-2xl font-bold">
+            Timeline
+        </h1>
+        <div class="flex flex-col items-end space-y-2 md:flex-row md:items-center md:space-x-2 md:space-y-0">
+            <button type="button"
+                    class="{{ html_classes('btn btn--small', { 'btn--secondary': filterDto.active }) }}"
+                    title="Filter"
+                    hx-get="{{ path('app_common_timeline_filter', { 'r': return_url() }) }}"
+                    hx-target="body"
+                    hx-swap="beforeend">
+                {{ icon('filter', 'w-4 h-4 shrink-0') }}
+                {% if filterDto.active %}
+                    <span class="whitespace-nowrap">{{ filterDto.activeFiltersCount }} Filter aktiv</span>
+                {% else %}
+                    <span>Filter</span>
+                {% endif %}
+            </button>
+            {% if filterDto.active %}
+                <a href="{{ path('app_common_timeline_filter_reset', { 'r': return_url() }) }}" class="btn btn--small btn--secondary">
+                    Reset
+                </a>
+            {% endif %}
+        </div>
+    </div>
     <div class="scroll-container border border-gray-300 mb-16">
         <table>
             <tr class="[&_th]:sticky [&_th]:top-0 [&_th]:z-10">
                 <th></th>
-                {% for day in period %}
+                {% for day in filterDto.period %}
                     <th>
                         {{ day | date('d.m.Y') }}
                     </th>
@@ -18,7 +43,7 @@
                     <td class="border border-gray-700 bg-gray-200 align-middle font-bold sticky left-0 z-10" rowspan="{{ rows | length }}">
                         {{ hotelCode }}
                     </td>
-                    {% for day in period %}
+                    {% for day in filterDto.period %}
                         {% if colspan is defined and colspan > 1 %}
                             {% set colspan = colspan - 1 %}
                         {% elseif rows[0][day|date('Ymd')] is defined %}
@@ -39,10 +64,8 @@
                                         <span class="text-xs">{{ item.teamerName | raw }}</span>
                                         {{ icon('info', 'w-4 h-4') }}
                                     </button>
-                                    <span class="text-xs">{{ item.jobProfile }}</span>
-                                {% else %}
-                                    <span class="text-xs">{{ item.jobProfile }}</span>
                                 {% endif %}
+                                <span class="text-xs">{{ item.jobProfile }}</span>
                             </td>
                         {% else %}
                             <td class="border border-gray-700"></td>
@@ -51,7 +74,7 @@
                 </tr>
                 {% for row in rows[1:] %}
                     <tr>
-                        {% for day in period %}
+                        {% for day in filterDto.period %}
                             {% if colspan is defined and colspan > 1 %}
                                 {% set colspan = colspan - 1 %}
                             {% elseif row[day|date('Ymd')] is defined %}
@@ -72,10 +95,8 @@
                                             <span class="text-xs">{{ item.teamerName | raw }}</span>
                                             {{ icon('info', 'w-4 h-4') }}
                                         </button>
-                                        <span class="text-xs">{{ item.jobProfile }}</span>
-                                    {% else %}
-                                        <span class="text-xs">{{ item.jobProfile }}</span>
                                     {% endif %}
+                                    <span class="text-xs">{{ item.jobProfile }}</span>
                                 </td>
                             {% else %}
                                 <td class="border border-gray-700"></td>
diff --git a/templates/common/modal_timeline_filter.html.twig b/templates/common/modal_timeline_filter.html.twig
new file mode 100644
index 0000000..d3bc2b8
--- /dev/null
+++ b/templates/common/modal_timeline_filter.html.twig
@@ -0,0 +1,20 @@
+{% extends 'htmx_modal.html.twig' %}
+
+{% block title %}Timeline filtern{% endblock %}
+
+{% block content %}
+    {{ form_start(filterForm, { 'attr': { 'hx-post': app.request.uri, 'hx-target': '#htmx-modal', 'hx-swap': 'outerHTML' } }) }}
+    <div class="flex flex-col space-y-2 pb-4 flex-1">
+        <div class="grid grid-cols-2 gap-x-4 gap-y-2">
+            {{ form_row(filterForm.dateFrom) }}
+            {{ form_row(filterForm.dateTo) }}
+        </div>
+        {{ form_row(filterForm.hotels) }}
+        <div class="flex items-center space-x-2">
+            {{ form_widget(filterForm.apply, { 'attr': { 'class': 'btn' } }) }}
+            {{ form_widget(filterForm.reset, { 'attr': { 'class': 'btn btn--secondary' } }) }}
+        </div>
+    </div>
+    {{ form_rest(filterForm) }}
+    {{ form_end(filterForm) }}
+{% endblock %}
diff --git a/templates/htmx_modal.html.twig b/templates/htmx_modal.html.twig
index 07afc8b..53e146f 100644
--- a/templates/htmx_modal.html.twig
+++ b/templates/htmx_modal.html.twig
@@ -12,7 +12,7 @@
                     {{ icon('close', 'w-6 h-6')}}
                 </button>
             </div>
-            <div class="max-h-96 overflow-y-scroll">
+            <div class="h-96 overflow-y-scroll">
                 <div class="px-8">
                     {% block content %}{% endblock %}
                 </div>