| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 18 | SEA | PDX | 15:35 | 12:43 |
Unknown
|
Track > |
United Airlines Flight UA3873 connects Seattle, United States to Portland, United States, taking off from Seattle Tacoma International Airport SEA and landing at Portland International Airport PDX.
What is the On-Time Performance (OTP) of United Airlines Flight UA3873 Seattle to Portland?
The Airportia On-Time Performance Rating for United Airlines Flight UA3873 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3873 flight?
The latest flight took off on Monday, May 18th, 2026 with the flight status being Unknown on 12:43.
How else can the flight UA3873 be referenced as?
This United Airlines flight can also be referenced as UAL3873, UA 3873, UAL 3873.
How often is flight UA3873 delayed?
On average, 0% of all UA3873 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3873 flight or baggage issues?
If your UA3873 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 UA3873 Flight Tracker above for more details.
Other flights departing from Seattle SEA: UA2848, AS660, AA872, AS9402
Other flights arriving at Portland PDX: AA2517, AA6350, UA2192, SY3061
All flights connecting Seattle SEA to Portland PDX.