Pretty reliable. Meaning, you might have to wait awhile for your train to come, but it WILL come eventually. During the day, you usually don't have to wait more than 10 or 15 minutes for a train, and in the middle of the night, you usually don't have to wait more than half an hour, at the most.
Often there are delays due to weather conditions (flooding or ice on the tracks), or certain lines are shut down for repairs and trackwork. But if the train you need is unavailable, they will create an alternate route for you. Like, if the C train is shut down between midnight and 5 AM for a week, then the B train will run along the C train's route during those hours. Worst case scenario, they will provide a shuttle bus for you, at no additional charge.
Occasionally someone will have a heart attack or something on the subway, and the whole line will be shut down until the paramedics come. But that doesn't happen very often, and there isn't really anything they can do to prevent it.
New York City Subway, or just the subway, or MTA.
Queensboro Plaza - New York City Subway - was created in 1917.
South Ferry loops - New York City Subway - was created in 1905.
World's Fair - New York City Subway car - was created in 1938.
South Ferry loops - New York City Subway - ended in 1977.
New York City transit services offers a subway system and buses. The subway is call "NYC Transit Subway" and the bus systems are "New York City Transit" and "MTA Bus".
new york
Flivver Lo-V - New York City Subway Car - was created in 1915.
Bluebird Compartment Car - New York City Subway car - was created in 1939.
No. NYC subway operates in NYC.
On October 27, 1904, the first branch of the Interboro Subway opened. It later expanded, and the BMT and IND companies (the IND was run by the city) came into Manhattan. More information is available at: www.nycsubway.org
I don't think NYC subway goes that far.