UA3921 Flight Status United Airlines: San Francisco to Houston (UAL3921)

How long is the UA3921 flight from San Francisco to Houston?

The average flight time from San Francisco to Houston is 3 hours and 19 minutes. The flight distance is 2627 km / 1632 miles and the average flight speed is 792 km/h / 492 mph.

How many UA3921 flights are operated per week?

1 flight per week. The flight UA3921 is operated on Sunday.

What is the On-Time Performance (OTP) of United Airlines Flight UA3921 San Francisco to Houston?

The Airportia On-Time Performance Rating for United Airlines Flight UA3921 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3921 arriving at?

Flight UA3921 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal D.

When was the latest UA3921 flight?

The latest flight took off on Sunday, June 28th, 2026 with the flight status being Landed on 15:52.

How else can the flight UA3921 be referenced as?

This United Airlines flight can also be referenced as UAL3921, UA 3921, UAL 3921.

How often is flight UA3921 delayed?

On average, 0% of all UA3921 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA3921 flight or baggage issues?

If your UA3921 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.