UA 4788 Los Angeles to Seattle Flight Status

United Airlines Flight UA4788 from Los Angeles International Airport LAX to Seattle Tacoma International Airport SEA is not scheduled for today June 5th, 2026.
The last time the flight was scheduled was on March 28th, 2026.
Check the table below for UA4788's most recent flight history:

UA 4788 Flight Status & Schedule

Date Departure Arrival Status
Mar 28 10:08 12:18
Landed
Track >
Mar 27 10:03 12:16
Landed
Track >
Mar 26 09:38 12:02
Landed
Track >
Mar 25 09:50 12:00
Landed
Track >
Mar 24 09:36 11:50
Landed
Track >

United Airlines UA 4788 Los Angeles to Seattle Flight Information

United Airlines Flight UA4788 connects Los Angeles, United States to Seattle, United States, taking off from Los Angeles International Airport LAX and landing at Seattle Tacoma International Airport SEA.

How long is the UA4788 flight from Los Angeles to Seattle?

The average flight time from Los Angeles to Seattle is 2 hours and 13 minutes. The flight distance is 1537 km / 955 miles and the average flight speed is 694 km/h / 431 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4788 Los Angeles to Seattle?

The Airportia On-Time Performance Rating for United Airlines Flight UA4788 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4788 arriving at?

Flight UA4788 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.

When was the latest UA4788 flight?

The latest flight took off on Saturday, March 28th, 2026 with the flight status being Landed on 12:18.

How else can the flight UA4788 be referenced as?

This United Airlines flight can also be referenced as UAL4788, UA 4788, UAL 4788.

How often is flight UA4788 delayed?

On average, 0% of all UA4788 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4788 flight or baggage issues?

If your UA4788 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 UA4788 Flight Tracker above for more details.

UA4788 and Los Angeles LAX to Seattle SEA Flights

Flight UA4788 is code-shared by 4 airlines using the flight numbers AV2148, CM2083, NZ2497, VA8278

Other flights departing from Los Angeles LAX: UA5654, UA5259, WN2507, AA3175

Other flights arriving at Seattle SEA: AS510, AA1158, WN454, AA5004

All flights connecting Los Angeles LAX to Seattle SEA.

UA4788 United Airlines Flight: Los Angeles to Seattle 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.