Large amount of outputs.. and you are just paid a small fee..
Next time before you send you should check first what are the default fee for fast transaction so that you can't experience of delay transaction..
You can found the default fee here bitcoinfees.21.co
And try to send it to accelerator here pool.viabtc.com/tools/txaccelerator/
And hope it could be work if not you can try this
https://bitcointalk.org/index.php?topic=2268700.0