| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | IAD | LAS | 18:06 | 19:54 |
Landed
|
Track > |
| Mar 03 | IAD | LAS | 18:14 | 20:04 |
Landed
|
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| Mar 02 | IAD | LAS | 20:38 | 22:32 |
Delayed
|
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| Mar 01 | IAD | LAS | 18:14 | 20:10 |
Landed
|
Track > |
| Feb 27 | IAD | LAS | 18:20 | 20:02 |
Landed
|
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| Feb 26 | IAD | LAS | 18:13 | 19:44 |
Landed
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| Feb 25 | IAD | LAS | 17:58 | 20:03 |
Landed
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| Feb 24 | IAD | LAS | 18:00 | 20:03 |
Landed
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| Feb 23 | IAD | LAS | 18:09 | 19:47 |
Landed
|
Track > |
| Feb 22 | IAD | LAS | 21:05 | 22:51 |
Delayed
|
Track > |
United Airlines Flight UA721 connects Washington, United States to Las Vegas, United States, taking off from Washington Dulles International Airport IAD and landing at Las Vegas McCarran International Airport LAS.
How long is the UA721 flight from Washington to Las Vegas?
The average flight time from Washington to Las Vegas is 4 hours and 49 minutes. The flight distance is 3316 km / 2060 miles and the average flight speed is 689 km/h / 428 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA721 Washington to Las Vegas?
The Airportia On-Time Performance Rating for United Airlines Flight UA721 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA721 arriving at?
Flight UA721 arrives at Las Vegas McCarran International Airport (LAS) Terminal 3.
When was the latest UA721 flight?
The latest flight took off on Thursday, March 5th, 2026 with the flight status being Landed on 19:54.
How else can the flight UA721 be referenced as?
This United Airlines flight can also be referenced as UAL721, UA0721, UA 721, UAL 721.
How often is flight UA721 delayed?
On average, 20% of all UA721 flights are delayed. The average delay is 137 minutes.
Can I get compensation for my delayed or cancelled UA721 flight or baggage issues?
If your UA721 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA721 Flight Tracker above for more details.
Flight UA721 is code-shared by 2 airlines using the flight numbers OS7863, SN8835
Other flights departing from Washington IAD: UA3552, UA780, UA4570, UA4022
Other flights arriving at Las Vegas LAS: UA2607, AC1285, WN754, WN1935
All flights connecting Washington IAD to Las Vegas LAS.