Manhattan is a large destination
Locate the hotel or apartment first. A route suited to one neighborhood may involve unnecessary changes for another. Use an address-based journey planner and inspect the final leg instead of stopping the comparison at the first Manhattan station.
Keep the terminal transfer in the plan
Confirm the current way to reach your selected onward service from the arrival terminal. Follow airport signs and current airport notices. Construction or operational changes can alter the path you expected.
Compare transport with your luggage in mind
Count the bags and the number of changes. A route with several stairs can be a poor fit even if the fare looks attractive. For a group, compare the total cost after checking the current official fare information.
Prepare for a changed arrival time
Keep a second route saved. Check service notices when you land, and confirm pickup arrangements if using a car. This example omits fares, exact journey times, and late-night service claims until they receive dated verification.