B6494 serves multiple routes, but the most common is between Denver, CO (DEN-Denver Intl.) and Boston, MA (BOS-Logan Intl.). If your flight goes direct, you'll stroll through arrivals in about 3 hours and 59 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
B6494 is a flight number that is used on multiple routes. If you've booked a ticket on the most frequent route, Denver, CO (DEN-Denver Intl.) to Boston, MA (BOS-Logan Intl.), chances are you'll be climbing aboard an Airbus A320.