UA521 Flight Status United Airlines: Portland to Houston (UAL521)

How long is the UA521 flight from Portland to Houston?

The average flight time from Portland to Houston is 3 hours and 45 minutes. The flight distance is 2680 km / 1665 miles and the average flight speed is 714 km/h / 444 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA521 Portland to Houston?

The Airportia On-Time Performance Rating for United Airlines Flight UA521 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA521 arriving at?

Flight UA521 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal C.

When was the latest UA521 flight?

The latest flight took off on Sunday, August 9th, 2026 with the flight status being En-Route on 20:42.

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, 33% of all UA521 flights are delayed. The average delay is 99 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.