United Flight 221 Deals & Information (2025/2026)

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United Flight 221 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $157 and $80 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Sat, Sep 27
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Sat, Sep 20 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 27, priced at $157 just found
Tue, Aug 5 - Tue, Aug 19
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$170 Roundtrip, just found
$170
Roundtrip
just found
Select United flight, departing Tue, Aug 5 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Aug 19, priced at $170 just found
Thu, Oct 30 - Mon, Nov 3
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Oct 30 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Mon, Nov 3, priced at $180 found 3 hours ago

Frequently asked questions

What route does flight number UA221 take?
UA221 takes a few routes. The most frequently flown is between Dulles Intl. Airport and NAS, which flies direct. This flight takes roughly 2 hours and 52 minutes. That said, there may possibly be other flights with this number that have one or more stops.
How often is UA221 on time?
United Airlines flight number UA221 from IAD to Nassau Airport (NAS-Lynden Pindling Intl.) lands according to schedule 100% of the time, which means you can be confident you'll get to your destination ASAP. On the rare occasion it runs behind schedule, it is delayed on average by 5 minutes. This flight has a 3.75-star rating.
What kind of plane is on flight number UA221?
You're likely to be traveling aboard the Airbus A320 if you've booked a seat on flight number UA221 from Washington, DC Airport (IAD-Washington Dulles Intl.) to Nassau Airport (NAS-Lynden Pindling Intl.). This is the most commonly used aircraft model on this busy route.
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 UA221 flight with Travelocity, please visit our Customer Service Portal.