diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index 76227e1430..d81a1e3f16 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -1481,6 +1481,13 @@ static void AircraftEventHandler_InHangar(Aircraft *v, const AirportFTAClass *ap
 		return;
 	}
 
+	if (v->current_order.IsWaitTimetabled()) {
+		v->HandleWaiting(false);
+	}
+	if (v->current_order.IsType(OT_WAITING)) {
+		return;
+	}
+
 	/* if we were sent to the depot, stay there */
 	if (v->current_order.IsType(OT_GOTO_DEPOT) && (v->vehstatus & VS_STOPPED)) {
 		v->current_order.Free();
diff --git a/src/order_base.h b/src/order_base.h
index a67cf69bb4..4f0d0b489a 100644
--- a/src/order_base.h
+++ b/src/order_base.h
@@ -78,6 +78,7 @@ public:
 	void MakeDummy();
 	void MakeConditional(VehicleOrderID order);
 	void MakeImplicit(StationID destination);
+	void MakeWaiting();
 
 	/**
 	 * Is this a 'goto' order with a real destination?
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index 57b29f3f53..2dd2bc427b 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -158,6 +158,11 @@ void Order::MakeImplicit(StationID destination)
 	this->dest = destination;
 }
 
+void Order::MakeWaiting()
+{
+	this->type = OT_WAITING;
+}
+
 /**
  * Make this depot/station order also a refit order.
  * @param cargo   the cargo type to change to.
@@ -1155,6 +1160,7 @@ CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
 
 	if (flags & DC_EXEC) {
 		if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
+		if (v->current_order.IsType(OT_WAITING)) v->HandleWaiting(true);
 
 		v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
 		v->UpdateRealOrderIndex();
@@ -2165,6 +2171,9 @@ bool ProcessOrders(Vehicle *v)
 		case OT_LOADING:
 			return false;
 
+		case OT_WAITING:
+			return false;
+
 		case OT_LEAVESTATION:
 			if (v->type != VEH_AIRCRAFT) return false;
 			break;
diff --git a/src/order_gui.cpp b/src/order_gui.cpp
index d4feae35ca..e686aef725 100644
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -312,6 +312,13 @@ void DrawOrderString(const Vehicle *v, const Order *order, int order_index, int
 				SetDParam(5, (order->GetDepotActionType() & ODATFB_HALT) ? STR_ORDER_REFIT_STOP_ORDER : STR_ORDER_REFIT_ORDER);
 				SetDParam(6, CargoSpec::Get(order->GetRefitCargo())->name);
 			}
+
+			if (timetable) {
+				if (order->GetWaitTime() > 0) {
+					SetDParam(5, order->IsWaitTimetabled() ? STR_TIMETABLE_STAY_FOR : STR_TIMETABLE_STAY_FOR_ESTIMATED);
+					SetTimetableParams(6, 7, order->GetWaitTime());
+				}
+			}
 			break;
 
 		case OT_GOTO_WAYPOINT:
diff --git a/src/order_type.h b/src/order_type.h
index aba2616a10..aa772bc58b 100644
--- a/src/order_type.h
+++ b/src/order_type.h
@@ -45,6 +45,7 @@ enum OrderType {
 	OT_GOTO_WAYPOINT = 6,
 	OT_CONDITIONAL   = 7,
 	OT_IMPLICIT     = 8,
+	OT_WAITING      = 9,
 	OT_END
 };
 
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index 12d4a6c04c..91b34d1fa0 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -1540,6 +1540,9 @@ static bool RoadVehController(RoadVehicle *v)
 
 	if (v->current_order.IsType(OT_LOADING)) return true;
 
+	v->HandleWaiting(false);
+	if (v->current_order.IsType(OT_WAITING)) return true;
+
 	if (v->IsInDepot() && RoadVehLeaveDepot(v, true)) return true;
 
 	v->ShowVisualEffect();
diff --git a/src/saveload/extended_ver_sl.cpp b/src/saveload/extended_ver_sl.cpp
index de32eac9b0..78da9c5468 100644
--- a/src/saveload/extended_ver_sl.cpp
+++ b/src/saveload/extended_ver_sl.cpp
@@ -54,6 +54,7 @@ const SlxiSubChunkInfo _sl_xv_sub_chunk_infos[] = {
 	{ XSLFI_TOWN_CARGO_ADJ,         XSCF_IGNORABLE_UNKNOWN, 1,                                    1, "town_cargo_adj",        NULL, NULL, NULL        },
 	{ XSLFI_SIG_TUNNEL_BRIDGE,      XSCF_NULL,              1,                                    1, "signal_tunnel_bridge",  NULL, NULL, NULL        },
 	{ XLSFI_IMPROVED_BREAKDOWNS,    XSCF_NULL,              1,                                    1, "improved_breakdowns",   NULL, NULL, NULL        },
+	{ XSLFI_TT_WAIT_IN_DEPOT,       XSCF_NULL,              1,                                    1, "tt_wait_in_depot",      NULL, NULL, NULL        },
 	{ XSLFI_NULL, XSCF_NULL, 0, 0, NULL, NULL, NULL, NULL },// This is the end marker
 };
 
diff --git a/src/saveload/extended_ver_sl.h b/src/saveload/extended_ver_sl.h
index 55f11ac6f4..97a3aef69c 100644
--- a/src/saveload/extended_ver_sl.h
+++ b/src/saveload/extended_ver_sl.h
@@ -29,6 +29,7 @@ enum SlXvFeatureIndex {
 	XSLFI_TOWN_CARGO_ADJ,                         ///< Town cargo adjustment patch
 	XSLFI_SIG_TUNNEL_BRIDGE,                      ///< Signals on tunnels and bridges
 	XLSFI_IMPROVED_BREAKDOWNS,                    ///< Improved breakdowns patch
+	XSLFI_TT_WAIT_IN_DEPOT,                       ///< Timetabling waiting time in depot patch
 
 	XSLFI_SIZE,                                   ///< Total count of features, including null feature
 };
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index e7e2961bdd..40d5942302 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -318,6 +318,13 @@ static bool CheckShipLeaveDepot(Ship *v)
 {
 	if (!v->IsChainInDepot()) return false;
 
+	if (v->current_order.IsWaitTimetabled()) {
+		v->HandleWaiting(false);
+	}
+	if (v->current_order.IsType(OT_WAITING)) {
+		return true;
+	}
+
 	/* We are leaving a depot, but have to go to the exact same one; re-enter */
 	if (v->current_order.IsType(OT_GOTO_DEPOT) &&
 			IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
diff --git a/src/timetable_cmd.cpp b/src/timetable_cmd.cpp
index 2fde4d3808..4f5735c964 100644
--- a/src/timetable_cmd.cpp
+++ b/src/timetable_cmd.cpp
@@ -145,6 +145,9 @@ CommandCost CmdChangeTimetable(TileIndex tile, DoCommandFlag flags, uint32 p1, u
 				if (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return_cmd_error(STR_ERROR_TIMETABLE_NOT_STOPPING_HERE);
 				break;
 
+			case OT_GOTO_DEPOT:
+				break;
+
 			case OT_CONDITIONAL:
 				break;
 
diff --git a/src/timetable_gui.cpp b/src/timetable_gui.cpp
index efd41f8474..34ba261db2 100644
--- a/src/timetable_gui.cpp
+++ b/src/timetable_gui.cpp
@@ -189,7 +189,7 @@ struct TimetableWindow : Window {
 	{
 		assert(HasBit(v->vehicle_flags, VF_TIMETABLE_STARTED));
 
-		bool travelling = (!v->current_order.IsType(OT_LOADING) || v->current_order.GetNonStopType() == ONSF_STOP_EVERYWHERE);
+		bool travelling = (!(v->current_order.IsType(OT_LOADING) || v->current_order.IsType(OT_WAITING)) || v->current_order.GetNonStopType() == ONSF_STOP_EVERYWHERE);
 		Ticks start_time = _date_fract - v->current_order_time;
 
 		FillTimetableArrivalDepartureTable(v, v->cur_real_order_index % v->GetNumOrders(), travelling, table, start_time);
@@ -320,7 +320,9 @@ struct TimetableWindow : Window {
 				if (selected % 2 == 1) {
 					disable = order != NULL && (order->IsType(OT_CONDITIONAL) || order->IsType(OT_IMPLICIT));
 				} else {
-					disable = order == NULL || ((!order->IsType(OT_GOTO_STATION) || (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION)) && !order->IsType(OT_CONDITIONAL));
+					disable = (order == NULL) ||
+							((!(order->IsType(OT_GOTO_STATION) || (order->IsType(OT_GOTO_DEPOT) && !(order->GetDepotActionType() & ODATFB_HALT))) ||
+								(order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION)) && !order->IsType(OT_CONDITIONAL));
 				}
 			}
 			bool disable_speed = disable || selected % 2 != 1 || v->type == VEH_AIRCRAFT;
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index ac2c380351..ca74a8b2ee 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -2229,6 +2229,13 @@ static bool CheckTrainStayInDepot(Train *v)
 		return true;
 	}
 
+	if (v->current_order.IsWaitTimetabled()) {
+		v->HandleWaiting(false);
+	}
+	if (v->current_order.IsType(OT_WAITING)) {
+		return true;
+	}
+
 	SigSegState seg_state;
 
 	if (v->force_proceed == TFP_NONE) {
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index a06010c3e5..a00577fb8b 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -1663,12 +1663,21 @@ void VehicleEnterDepot(Vehicle *v)
 			}
 		}
 
+		/* Handle the ODTFB_PART_OF_ORDERS case. If there is a timetabled wait time, hold the train, otherwise skip to the next order.
+		Note that if there is a only a travel_time, but no wait_time defined for the order, and the train arrives to the depot sooner as scheduled,
+		he doesn't wait in it, as it would in stations. Thus, the original behaviour is maintained if there's no defined wait_time.*/
 		if (v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) {
-			/* Part of orders */
 			v->DeleteUnreachedImplicitOrders();
 			UpdateVehicleTimetable(v, true);
-			v->IncrementImplicitOrderIndex();
+			if (v->current_order.IsWaitTimetabled()) {
+				v->current_order.MakeWaiting();
+				v->current_order.SetNonStopType(ONSF_NO_STOP_AT_ANY_STATION);
+				return;
+			} else {
+				v->IncrementImplicitOrderIndex();
+			}
 		}
+
 		if (v->current_order.GetDepotActionType() & ODATFB_HALT) {
 			/* Vehicles are always stopped on entering depots. Do not restart this one. */
 			_vehicles_to_autoreplace[v] = false;
@@ -2389,6 +2398,34 @@ void Vehicle::HandleLoading(bool mode)
 	this->IncrementImplicitOrderIndex();
 }
 
+/**
+ * Handle the waiting time everywhere else as in stations (basically in depot but, eventually, also elsewhere ?)
+ * Function is called when order's wait_time is defined.
+ * @param stop_waiting should we stop waiting (or definitely avoid) even if there is still time left to wait ?
+ */
+void Vehicle::HandleWaiting(bool stop_waiting)
+{
+	switch (this->current_order.GetType()) {
+		case OT_WAITING: {
+			uint wait_time = max(this->current_order.GetTimetabledWait() - this->lateness_counter, 0);
+			/* Vehicles holds on until waiting Timetabled time expires. */
+			if (!stop_waiting && this->current_order_time < wait_time) {
+				return;
+			}
+
+			/* When wait_time is expired, we move on. */
+			UpdateVehicleTimetable(this, false);
+			this->IncrementImplicitOrderIndex();
+			this->current_order.MakeDummy();
+
+			break;
+		}
+
+		default:
+			return;
+	}
+}
+
 /**
  * Get a map of cargoes and free capacities in the consist.
  * @param capacities Map to be filled with cargoes and capacities.
diff --git a/src/vehicle_base.h b/src/vehicle_base.h
index 7a385d785f..f89234f254 100644
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -294,6 +294,8 @@ public:
 
 	void HandleLoading(bool mode = false);
 
+	void HandleWaiting(bool stop_waiting = false);
+
 	void GetConsistFreeCapacities(SmallMap<CargoID, uint> &capacities) const;
 
 	uint GetConsistTotalCapacity() const;