Is there anything I can add to this script to make it wait for the loading screen GUI be over?

I have a loading screen and this GUI loads in at the same time and looks cluttered.. The Script:

local DataStore = game:GetService("DataStoreService"):GetDataStore ("DailyRewards")

local hourWait = 24

local possibleRewards = {10,15,10,10,10,5,5,5,5,5,5,5,5,5,5,5,10,10,10,10,10,10,15,15,15,750}

game.Players.PlayerAdded:Connect(function(player)

local leaderstats = Instance.new("Folder")
leaderstats.Name = "leaderstats"
leaderstats.Parent = player

local coins = Instance.new("IntValue")
coins.Name = "Coins"
coins.Parent = leaderstats

local timeNow = os.time()

local data

pcall(function()
	data = DataStore:GetAsync(player.UserId.."-dailyReward")
	print("Getting Data")
end)

if data ~= nil then
	-- Returning player to the game
	
	local timeSinceLastClaim = timeNow - data -- Number in sec since the last reward was claimed
	
	print ("Time since last claim "..timeSinceLastClaim)
	
	if (timeSinceLastClaim / 3600) >= hourWait then
		-- They are eligible for a reward
		local reward = possibleRewards[math.random(1,#possibleRewards)]
		game.ReplicatedStorage.ShowDailyReward:FireClient(player,hourWait,reward)
		local connection
		connection = game.ReplicatedStorage.ClaimReward.OnServerEvent:Connect(function(triggeringPlayer)
			if triggeringPlayer == player then
				print ("Reward Claimed")
				player.leaderstats.Coins.Value = player.leaderstats.Coins.Value + reward
				DataStore.SetAsync(player.UserId.."-dailyReward",os.time())
				connection:Disconnect()
			end
		end)
	else
		print ("Player is uneligible right now")
	end	
		
else
	-- New player
	print ("New player")
	
	local reward = possibleRewards[math.random(1,#possibleRewards)]
	game.ReplicatedStorage.ShowDailyReward:FireClient(player,hourWait,reward)
	local connection
	connection = game.ReplicatedStorage.ClaimReward.OnServerEvent:Connect(function(triggeringPlayer)
		if triggeringPlayer == player then
		print ("Reward Claimed")
		player.leaderstats.Coins.Value = player.leaderstats.Coins.Value + reward
		DataStore.SetAsync(player.UserId.."-dailyReward",os.time())
		connection:Disconnect()
		end
	end)
end

end)

game.Players.PlayerRemoving:Connect(function(player) local data pcall (function() data = DataStore:GetAsync(player.UserId.."-dailyReward") print("Getting the data") end)

if data == nil then
	-- New player
	pcall(function()
	local timeVal = os.time()
		DataStore:SetAsync(player.UserId.."-dailyReward")
		end)
	print ("Saved because your a new player")
end

end)