Unconfirmed Block Chain transaction
Yes it could be, that your Transaction is not confirmed.
Pls check unconfirmed Transactions here: 

https://blockchain.info/de/unconfirmed-transactions

~ 16000 unconfirmed Transactions.

Until they are packed in Blocks it could take some hours - days.
Depends on how large the transactions are it could take some days, because Blocks have a maximum size of 1 KB.

Sometimes there are just ~700 transactions mined per Block and it reaches 1 KB, sometimes there are > 2500 Transactions put in one block.

I think push will not be a solution because it was already broadcasted to Network.

So be patient it will be confirmed soon :)

Regards