UA 3940 San Diego to Los Angeles Flight Status

United Airlines Flight UA3940 from San Diego International Airport SAN to Los Angeles International Airport LAX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 8th, 2026.
Check the table below for UA3940's most recent flight history:

UA 3940 Flight Status & Schedule

Date Departure Arrival Status
Apr 08 09:06 09:34
Landed
Track >
Apr 07 10:17 10:53
En-Route
Track >

United Airlines UA 3940 San Diego to Los Angeles Flight Information

United Airlines Flight UA3940 connects San Diego, United States to Los Angeles, United States, taking off from San Diego International Airport SAN and landing at Los Angeles International Airport LAX.

How long is the UA3940 flight from San Diego to Los Angeles?

The average flight time from San Diego to Los Angeles is 28 minutes. The flight distance is 176 km / 109 miles and the average flight speed is 288 km/h / 179 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3940 San Diego to Los Angeles?

The Airportia On-Time Performance Rating for United Airlines Flight UA3940 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3940 arriving at?

Flight UA3940 arrives at Los Angeles International Airport (LAX) Terminal 7.

When was the latest UA3940 flight?

The latest flight took off on Wednesday, April 8th, 2026 with the flight status being Landed on 09:34.

How else can the flight UA3940 be referenced as?

This United Airlines flight can also be referenced as UAL3940, UA 3940, UAL 3940.

How often is flight UA3940 delayed?

On average, 50% of all UA3940 flights are delayed. The average delay is 13 minutes.

Can I get compensation for my delayed or cancelled UA3940 flight or baggage issues?

If your UA3940 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 UA3940 Flight Tracker above for more details.

UA3940 and San Diego SAN to Los Angeles LAX Flights

Other flights departing from San Diego SAN: DL731, AS3187, F94928, DL945

Other flights arriving at Los Angeles LAX: DL3870, NK1640, UA5526, XE9425

All flights connecting San Diego SAN to Los Angeles LAX.

UA3940 United Airlines Flight: San Diego to Los Angeles Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.