| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | IAD | SEA | 18:08 | 20:34 |
Landed
|
Track > |
| Feb 10 | IAD | SEA | 18:06 | 20:41 |
Landed
|
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| Feb 09 | IAD | SEA | 18:05 | 20:43 |
Landed
|
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| Feb 08 | IAD | SEA | 18:15 | 20:43 |
Landed
|
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| Feb 07 | IAD | SEA | 18:45 | 21:16 |
Landed Late
|
Track > |
| Feb 06 | IAD | SEA | 19:13 | 21:37 |
Landed Late
|
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| Feb 05 | IAD | SEA | 18:06 | 20:26 |
Landed
|
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| Feb 04 | IAD | SEA | 18:12 | 20:23 |
Landed
|
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| Feb 03 | IAD | SEA | 18:21 | 20:35 |
Landed
|
Track > |
| Feb 02 | IAD | SEA | 19:17 | 21:41 |
Landed Late
|
Track > |
United Airlines Flight UA1159 connects Washington, United States to Seattle, United States, taking off from Washington Dulles International Airport IAD and landing at Seattle Tacoma International Airport SEA.
How long is the UA1159 flight from Washington to Seattle?
The average flight time from Washington to Seattle is 5 hours and 25 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 684 km/h / 425 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1159 Washington to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1159 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1159 arriving at?
Flight UA1159 arrives at Seattle Tacoma International Airport (SEA) Terminal B.
When was the latest UA1159 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 20:34.
How else can the flight UA1159 be referenced as?
This United Airlines flight can also be referenced as UAL1159, UA 1159, UAL 1159.
How often is flight UA1159 delayed?
On average, 30% of all UA1159 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled UA1159 flight or baggage issues?
If your UA1159 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 UA1159 Flight Tracker above for more details.
Flight UA1159 is code-shared by 5 airlines using the flight numbers AV2028, CM2766, ET1368, LH7484, SN8849
Other flights departing from Washington IAD: UA1071, UA4059, UA743, UA4366
Other flights arriving at Seattle SEA: AA1559, AS9411, AS486, AS2369
All flights connecting Washington IAD to Seattle SEA.