United Flight UA1228 Deals & Information (2025/2026)

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United Flight 1228 Route Deals From $157

The cheapest prices found with in the last 7 days for return flights were $336 and $157 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 15 - Wed, Dec 17
LAS
Harry Reid Intl.
IAD
Washington Dulles Intl.
$336 Roundtrip, found 5 days ago
$336
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 15 from Harry Reid Intl. to Washington Dulles Intl., returning Wed, Dec 17, priced at $336 found 5 days ago

Frequently asked questions

What route does flight number UA1228 take?
You'll be arriving into Denver Intl. Airport (DEN) from Washington Dulles Intl. Airport (IAD) if you've booked a ticket on flight number UA1228. You'll be in the air for 3 hours and 40 minutes during this trip. It's also worthwhile noting that it conveniently travels direct.
How often is UA1228 on time?
United Airlines flight number UA1228 between Washington Dulles Intl. Airport (IAD) and Denver, CO Airport (DEN-Denver Intl.) takes off according to schedule 91% of the time — so you can be confident you will get to your destination ASAP. If this trip happens to be late, the average wait is roughly 10 minutes. This route has a star rating of 4.65.
What kind of plane is on flight number UA1228?
The Boeing 737 MAX 9 is the aircraft most often used for flight number UA1228. This flight nearly always heads off from Dulles Intl. Airport and arrives at Denver, CO Airport (DEN-Denver Intl.).
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 UA1228 flight with Travelocity, please visit our Customer Service Portal.