| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | IAH | RDU | 12:24 | 15:38 |
Landed
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| Apr 28 | IAH | RDU | 12:23 | 15:39 |
Landed
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| Apr 27 | IAH | RDU | 12:08 | 15:24 |
Landed
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| Apr 26 | IAH | RDU | 12:19 | 15:30 |
Landed
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| Apr 25 | IAH | RDU | 12:06 | 15:18 |
Landed
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| Apr 24 | IAH | RDU | 12:11 | 15:27 |
Landed
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| Apr 23 | IAH | RDU | 12:19 | 15:42 |
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| Apr 22 | IAH | RDU | 12:31 | 15:57 |
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| Apr 21 | IAH | RDU | 12:11 | 15:28 |
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| Apr 20 | IAH | RDU | 12:11 | 15:31 |
Landed
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United Airlines Flight UA1821 connects Houston, United States to Raleigh-Durham, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Raleigh-Durham International Airport RDU.
How long is the UA1821 flight from Houston to Raleigh-Durham?
The average flight time from Houston to Raleigh-Durham is 2 hours and 17 minutes. The flight distance is 1675 km / 1041 miles and the average flight speed is 734 km/h / 456 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1821 Houston to Raleigh-Durham?
The Airportia On-Time Performance Rating for United Airlines Flight UA1821 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1821 arriving at?
Flight UA1821 arrives at Raleigh-Durham International Airport (RDU) Terminal 2.
When was the latest UA1821 flight?
The latest flight took off on Wednesday, April 29th, 2026 with the flight status being Landed on 15:38.
How else can the flight UA1821 be referenced as?
This United Airlines flight can also be referenced as UAL1821, UA 1821, UAL 1821.
How often is flight UA1821 delayed?
On average, 10% of all UA1821 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled UA1821 flight or baggage issues?
If your UA1821 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 UA1821 Flight Tracker above for more details.
Flight UA1821 is code-shared by 2 airlines using the flight numbers NH7030, NZ6551
Other flights departing from Houston IAH: UA4263, UA4927, UA4852, UA2018
Other flights arriving at Raleigh-Durham RDU: UA630, MX331, UA1248, WN992
All flights connecting Houston IAH to Raleigh-Durham RDU.
