| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | SEA | IAD | 08:25 | 16:03 |
Landed
|
Track > |
| Aug 17 | SEA | IAD | 08:28 | 16:05 |
Landed
|
Track > |
| Aug 16 | SEA | IAD | 08:17 | 15:51 |
Landed
|
Track > |
| Aug 15 | SEA | IAD | 08:22 | 16:00 |
Landed
|
Track > |
| Aug 14 | SEA | IAD | 08:16 | 15:50 |
Landed
|
Track > |
| Aug 13 | SEA | IAD | 14:30 | 16:11 |
Unknown
|
Track > |
| Aug 12 | SEA | IAD | 08:09 | 15:42 |
Landed
|
Track > |
| Aug 11 | SEA | IAD | 08:15 | 15:39 |
Landed
|
Track > |
| Aug 10 | SEA | IAD | 08:29 | 16:17 |
Landed
|
Track > |
| Aug 09 | SEA | IAD | 08:25 | 16:34 |
Landed Late
|
Track > |
United Airlines Flight UA1873 connects Seattle, United States to Washington, United States, taking off from Seattle Tacoma International Airport SEA and landing at Washington Dulles International Airport IAD.
How long is the UA1873 flight from Seattle to Washington?
The average flight time from Seattle to Washington is 4 hours and 39 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 788 km/h / 490 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1873 Seattle to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA1873 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1873 arriving at?
Flight UA1873 arrives at Washington Dulles International Airport (IAD) Terminal E.
When was the latest UA1873 flight?
The latest flight took off on Monday, August 18th, 2025 with the flight status being Landed on 16:03.
How else can the flight UA1873 be referenced as?
This United Airlines flight can also be referenced as UAL1873, UA 1873, UAL 1873.
How often is flight UA1873 delayed?
On average, 10% of all UA1873 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled UA1873 flight or baggage issues?
If your UA1873 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 UA1873 Flight Tracker above for more details.
Flight UA1873 is code-shared by 3 airlines using the flight numbers LH7485, OS7908, SN8850
Other flights departing from Seattle SEA: AS916, AS3405, AS2006, AS2138
Other flights arriving at Washington IAD: UA1379, UA2241, UA320, UA3492
All flights connecting Seattle SEA to Washington IAD.
