United Flight 2104 Deals & Information (2026/2027)

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United Flight 2104 Route Deals From $180

The cheapest prices found with in the last 7 days for return flights were $341 and $180 for one-way flights to Bradley Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 17 - Wed, Jun 24
ORD
O'Hare Intl.
BDL
Bradley Intl.
$341 Roundtrip, found 2 days ago
$341
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 17 from O'Hare Intl. to Bradley Intl., returning Wed, Jun 24, priced at $341 found 2 days ago
Sun, May 31 - Sat, Jun 6
ORD
O'Hare Intl.
BDL
Bradley Intl.
$427 Roundtrip, just found
$427
Roundtrip
just found
Select United flight, departing Sun, May 31 from O'Hare Intl. to Bradley Intl., returning Sat, Jun 6, priced at $427 just found

Frequently asked questions

What route does flight number UA2104 take?
Flight number UA2104 takes approximately 3 hours and 59 minutes to fly straight from National Airport to DEN. We all know there's magic in the destination, but the journey is always half the fun!
How often is UA2104 on time?
If you're traveling with United Airlines flight number UA2104 between Ronald Reagan Washington National Airport (DCA) and Denver, CO Airport (DEN-Denver Intl.), it's a good thing to know that 85% of these flights reach their destination on time. In the rare event of a delay, you can expect an average wait time of roughly 18 minutes. This service has a 3.5-star rating.
What terminal does UA2104 fly out of?
Flights between Ronald Reagan Washington National Airport (DCA) and DIA airport are served by flight number UA2104, and passengers booked on this route typically take off from Terminal B.
What kind of plane is on flight number UA2104?
The Airbus A319 is the plane that's mostly used for flight UA2104. More often than not, this flight departs from Washington, DC Airport (DCA-Ronald Reagan Washington National) and arrives at Denver Intl. Airport (DEN).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA2104 flight with Travelocity, please visit our Customer Service Portal.