| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | LAX | SEA | 17:11 | 19:30 |
Landed
|
Track > |
| May 18 | LAX | SEA | 17:09 | 19:31 |
Landed
|
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| May 17 | LAX | SEA | 17:34 | 20:05 |
Landed Late
|
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| May 16 | LAX | SEA | 17:01 | 19:40 |
Landed
|
Track > |
| May 15 | LAX | SEA | 17:31 | 19:48 |
Landed
|
Track > |
| May 14 | LAX | SEA | 17:05 | 19:27 |
Landed
|
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| May 13 | LAX | SEA | 17:10 | 19:33 |
Landed
|
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| May 11 | LAX | SEA | 17:12 | 19:18 |
Landed
|
Track > |
| May 10 | LAX | SEA | 17:00 | 19:10 |
Landed
|
Track > |
| May 09 | LAX | SEA | 17:03 | 19:14 |
Landed
|
Track > |
United Airlines Flight UA1284 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 UA1284 flight from Los Angeles to Seattle?
The average flight time from Los Angeles to Seattle is 2 hours and 20 minutes. The flight distance is 1537 km / 955 miles and the average flight speed is 662 km/h / 411 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1284 Los Angeles to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1284 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1284 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 19:30.
How else can the flight UA1284 be referenced as?
This United Airlines flight can also be referenced as UAL1284, UA 1284, UAL 1284.
How often is flight UA1284 delayed?
On average, 10% of all UA1284 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled UA1284 flight or baggage issues?
If your UA1284 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 UA1284 Flight Tracker above for more details.
Flight UA1284 is code-shared by 2 airlines using the flight numbers AZ4435, CM2085
Other flights departing from Los Angeles LAX: UA5257, WN1642, WN1914, WS1425
Other flights arriving at Seattle SEA: PR124, AA3196, AA4118, 3S475
All flights connecting Los Angeles LAX to Seattle SEA.