The average train between Port Authority Bus Terminal and Union Square takes 12 min and the fastest train takes 10 min. The train runs at least 11 times per hour from Port Authority Bus Terminal to Union Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 5 minutes between Port Authority Bus Terminal and Union Square. The earliest departure is at 3:02 AM at night, and the last departure from Port Authority Bus Terminal is at 11:35 AM which arrives into Union Square at 11:47 AM. All services require a transfer at 14 St and take an average of 12 min. The schedules shown below are for the next available departures.

13 min • 1 change

13 min • 1 change

13 min • 1 change

13 min • 1 change
Want to know about travelling from Port Authority Bus Terminal to Union Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Port Authority Bus Terminal to Union Square. However, there are services departing from Port Authority Bus Terminal station and arriving at Union Square station via 14 St. The journey, including transfers, takes approximately 12 min.
Port Authority Bus Terminal to Union Square train services, operated by MTA, depart from 42 St-Port Authority Bus Terminal station.
Port Authority Bus Terminal to Union Square train services, operated by MTA, arrive at 14 St-Union Sq station.
The distance between Port Authority Bus Terminal and Union Square is 2.3 km. The road distance is 3 km.
You can take a subway from 42 St-Port Authority Bus Terminal to 14 St-Union Sq via 14 St and 8 Av in around 9 min.