| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 03 | IAD | SEA | 17:54 | 20:14 |
En-Route
|
Track > |
| Oct 02 | IAD | SEA | 20:38 | 23:02 |
Delayed
|
Track > |
| Oct 01 | IAD | SEA | 17:58 | 20:09 |
Landed
|
Track > |
| Sep 30 | IAD | SEA | 18:00 | 20:18 |
Landed
|
Track > |
| Sep 29 | IAD | SEA | 18:04 | 20:19 |
Landed
|
Track > |
| Sep 28 | IAD | SEA | 18:20 | 20:26 |
Landed
|
Track > |
| Sep 27 | IAD | SEA | 18:14 | 20:19 |
Landed
|
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| Sep 26 | IAD | SEA | 19:19 | 21:21 |
Landed Late
|
Track > |
| Sep 25 | IAD | SEA | 18:02 | 20:03 |
Landed
|
Track > |
| Sep 24 | IAD | SEA | 17:54 | 20:00 |
Landed
|
Track > |
United Airlines Flight UA1128 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 UA1128 flight from Washington to Seattle?
The average flight time from Washington to Seattle is 5 hours and 10 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 715 km/h / 444 mph.
How many UA1128 flights are operated per week?
7 flights per week. The flight UA1128 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1128 Washington to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1128 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1128 flight?
The latest flight took off on Sunday, October 4th, 2026 with the flight status being En-Route on 20:14.
How else can the flight UA1128 be referenced as?
This United Airlines flight can also be referenced as UAL1128, UA 1128, UAL 1128.
How often is flight UA1128 delayed?
On average, 20% of all UA1128 flights are delayed. The average delay is 94 minutes.
Can I get compensation for my delayed or cancelled UA1128 flight or baggage issues?
If your UA1128 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 UA1128 Flight Tracker above for more details.
Flight UA1128 is code-shared by 7 airlines using the flight numbers AV2028, AZ4416, CM2766, ET1368, LH7484, OS7907, SN8849
Other flights departing from Washington IAD: BA216, OS42, UA2463, C54266
Other flights arriving at Seattle SEA: AS341, DL881, DL2640, QX2194
All flights connecting Washington IAD to Seattle SEA.