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UA3931 Flight Status United Airlines: Seattle to San Francisco (UAL3931)

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UA 3931 Seattle to San Francisco Flight Status

United Airlines Flight UA3931 from Seattle Tacoma International Airport SEA to San Francisco International Airport SFO is not scheduled for today September 3rd, 2026.
The last time the flight was scheduled was on August 19th, 2026.
Check the table below for UA3931's most recent flight history:

UA 3931 Flight Status & Schedule

Date Departure Arrival Status
Aug 19 22:17 00:09
Landed
 Track >
Aug 07 12:51 14:32
Delayed
 Track >
< All SEA Departures All SFO Arrivals >

United Airlines UA 3931 Seattle to San Francisco Flight Information

United Airlines Flight UA3931 connects Seattle, United States to San Francisco, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Francisco International Airport SFO.

How long is the UA3931 flight from Seattle to San Francisco?

The average flight time from Seattle to San Francisco is 1 hour and 46 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 617 km/h / 384 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3931 Seattle to San Francisco?

The Airportia On-Time Performance Rating for United Airlines Flight UA3931 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3931 arriving at?

Flight UA3931 arrives at San Francisco International Airport (SFO) Terminal 3.

When was the latest UA3931 flight?

The latest flight took off on Thursday, August 20th, 2026 with the flight status being Landed on 00:09.

How else can the flight UA3931 be referenced as?

This United Airlines flight can also be referenced as UAL3931, UA 3931, UAL 3931.

How often is flight UA3931 delayed?

On average, 50% of all UA3931 flights are delayed. The average delay is 104 minutes.

Can I get compensation for my delayed or cancelled UA3931 flight or baggage issues?

If your UA3931 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 UA3931 Flight Tracker above for more details.

UA3931 and Seattle SEA to San Francisco SFO Flights

Other flights departing from Seattle SEA: QX2421, OO4472, PR125, 3S475

Other flights arriving at San Francisco SFO: UA367, UA2040, UA1609, DL1091

All flights connecting Seattle SEA to San Francisco SFO.

UA3931 United Airlines Flight: Seattle to San Francisco Route Map

UA3931 United Airlines Flight Map: Seattle to San Francisco
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: CG505 QG8331 6E9192 2A454 8M467 WJ3138 LA4945 C27982 K4538 AJ7034
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.