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

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

The average flight time from Houston to San Francisco 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 Friday.

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

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 San Francisco International Airport (SFO) Terminal 3.

When was the latest UA3921 flight?

The latest flight took off on Friday, June 12th, 2026 with the flight status being Landed on 08:45.

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.