| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 18 | IAD | SEA | 13:27 | 15:24 |
Landed
|
Track > |
| May 17 | IAD | SEA | 13:18 | 15:12 |
Landed
|
Track > |
| May 16 | IAD | SEA | 13:33 | 15:44 |
Landed
|
Track > |
| May 15 | IAD | SEA | 13:25 | 15:46 |
Landed
|
Track > |
| May 14 | IAD | SEA | 13:11 | 15:21 |
Landed
|
Track > |
| May 11 | IAD | SEA | 13:19 | 15:39 |
Landed
|
Track > |
| May 10 | IAD | SEA | 13:20 | 15:41 |
Landed
|
Track > |
| May 09 | IAD | SEA | 13:12 | 15:38 |
Landed
|
Track > |
| May 07 | IAD | SEA | 13:01 | 15:42 |
En-Route
|
Track > |
| May 04 | IAD | SEA | 12:55 | 16:12 |
Unknown
|
Track > |
United Airlines Flight UA788 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 UA788 flight from Washington to Seattle?
The average flight time from Washington to Seattle is 5 hours and 19 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 693 km/h / 431 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA788 Washington to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA788 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA788 flight?
The latest flight took off on Monday, May 18th, 2026 with the flight status being Landed on 15:24.
How else can the flight UA788 be referenced as?
This United Airlines flight can also be referenced as UAL788, UA0788, UA 788, UAL 788.
How often is flight UA788 delayed?
On average, 30% of all UA788 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled UA788 flight or baggage issues?
If your UA788 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 UA788 Flight Tracker above for more details.
Other flights departing from Washington IAD: UA325, UA2603, UA4495, UA3455
Other flights arriving at Seattle SEA: DL43, AS124, UA5273, GB3125
All flights connecting Washington IAD to Seattle SEA.