| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | IAH | LGA | 19:03 | 23:06 |
Landed
|
Track > |
| Mar 03 | IAH | LGA | 18:51 | 22:40 |
Landed
|
Track > |
| Mar 02 | IAH | LGA | 18:55 | 22:54 |
Landed
|
Track > |
| Feb 27 | IAH | LGA | 19:10 | 23:14 |
Landed
|
Track > |
| Feb 26 | IAH | LGA | 19:00 | 22:53 |
Landed
|
Track > |
| Feb 25 | IAH | LGA | 18:57 | 22:50 |
Landed
|
Track > |
| Feb 24 | IAH | LGA | 19:05 | 23:08 |
Landed
|
Track > |
| Feb 23 | IAH | LGA | 18:43 | 23:12 |
Cancelled
|
Track > |
| Claim > | ||||||
| Feb 20 | IAH | LGA | 18:59 | 23:00 |
Landed
|
Track > |
| Feb 19 | IAH | LGA | 19:47 | 23:32 |
Landed Late
|
Track > |
United Airlines Flight UA521 connects Houston, United States to New York, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at New York LaGuardia Airport LGA.
How long is the UA521 flight from Houston to New York?
The average flight time from Houston to New York is 2 hours and 56 minutes. The flight distance is 2277 km / 1415 miles and the average flight speed is 762 km/h / 474 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA521 Houston to New York?
The Airportia On-Time Performance Rating for United Airlines Flight UA521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA521 arriving at?
Flight UA521 arrives at New York LaGuardia Airport (LGA) Terminal B.
When was the latest UA521 flight?
The latest flight took off on Thursday, March 5th, 2026 with the flight status being Landed on 23:06.
How else can the flight UA521 be referenced as?
This United Airlines flight can also be referenced as UAL521, UA0521, UA 521, UAL 521.
How often is flight UA521 delayed?
On average, 20% of all UA521 flights are delayed. The average delay is 11 minutes.
Can I get compensation for my delayed or cancelled UA521 flight or baggage issues?
If your UA521 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 UA521 Flight Tracker above for more details.
Flight UA521 is code-shared by 2 airlines using the flight numbers NZ6672, VA8134
Other flights departing from Houston IAH: UA2162, UA6160, UA1752, UA1829
Other flights arriving at New York LGA: DL1292, WN544, UA3436, WN1752
All flights connecting Houston IAH to New York LGA.