| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | MSY | IAH | 07:06 | 08:03 |
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| Mar 03 | MSY | IAH | 06:59 | 08:00 |
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| Mar 02 | MSY | IAH | 07:09 | 08:10 |
Landed
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| Mar 01 | MSY | IAH | 07:11 | 08:04 |
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| Feb 28 | MSY | IAH | 06:58 | 07:50 |
Landed
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| Feb 27 | MSY | IAH | 07:35 | 08:33 |
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| Feb 26 | MSY | IAH | 07:06 | 07:59 |
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| Feb 25 | MSY | IAH | 07:09 | 08:02 |
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| Feb 24 | MSY | IAH | 07:08 | 08:00 |
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| Feb 23 | MSY | IAH | 07:11 | 08:07 |
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United Airlines Flight UA1821 connects New Orleans, United States to Houston, United States, taking off from New Orleans Louis Armstrong International Airport MSY and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA1821 flight from New Orleans to Houston?
The average flight time from New Orleans to Houston is 55 minutes. The flight distance is 490 km / 304 miles and the average flight speed is 530 km/h / 329 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1821 New Orleans to Houston?
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 Houston George Bush Intercontinental Airport (IAH) Terminal C.
When was the latest UA1821 flight?
The latest flight took off on Wednesday, March 4th, 2026 with the flight status being Landed on 08:03.
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 8 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 4 airlines using the flight numbers AC5439, CM1630, NH6521, NZ6792
Other flights departing from New Orleans MSY: UA2154, WN2866, WN1289, WN491
Other flights arriving at Houston IAH: UA2090, UA2851, UA548, UA469
All flights connecting New Orleans MSY to Houston IAH.
