Your answer depends on whether or not you have a direct flight. As well, times may vary depending on which airport near NYC you choose as a departure point.
Recent adverts for tickets log the time in the 4:30 range. As well, remember that you'll be changing time zones flying west -- two time zones earlier in Denver than in New York City.
Denver, CO (DEN) to Minneapolis/St Paul, MN (MSP) Shortest Flight Duration 1 hour 47 mins
3hr 46min to 4hr 02min Denver (DEN) to Boston Logan (BOS) by a nonstop flight operated by JetBlue Airways, Continental Airlines or United Airlines.
You're question is somewhat vague. There is more than one airport in Colorado but from Denver Airport to Login Airport is roughly estimated around 3 hours and 30 minutes.
It would be about 4 hours.
flight time from denver to Boston
The flight distance from Boston, Massachusetts to Denver, Colorado is: 1,770 miles / 2,848 km
Boston, Massachusetts was founded in 1630. Boston, England was founded long before that.
About an hour and a quarter.
It takes 5 to 10 hours to drive from Denver Colorado to sheridan wyoming
2 hours
It is 255 miles.
It's 2 hours and 43 minutes...give or take. (Vancouver, BC, Canada to Denver, Colorado)
3 to 5 days
in good traffic about 2 hours
About 15 hours.
6 hours!
12 minutes