| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 24 | SEA | IAD | 08:06 | 15:28 |
Landed
|
Track > |
| Jun 23 | SEA | IAD | 08:15 | 15:33 |
Landed
|
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| Jun 22 | SEA | IAD | 08:27 | 15:41 |
Landed
|
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| Jun 21 | SEA | IAD | 08:13 | 15:36 |
Landed
|
Track > |
| Jun 20 | SEA | IAD | 08:18 | 15:38 |
Landed
|
Track > |
| Jun 19 | SEA | IAD | 08:09 | 15:13 |
Landed
|
Track > |
| Jun 18 | SEA | IAD | 08:13 | 15:13 |
Landed
|
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| Jun 17 | SEA | IAD | 08:23 | 15:22 |
Landed
|
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| Jun 16 | SEA | IAD | 08:11 | 15:25 |
Landed
|
Track > |
| Jun 15 | SEA | IAD | 08:13 | 15:29 |
Landed
|
Track > |
United Airlines Flight UA688 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 UA688 flight from Seattle to Washington?
The average flight time from Seattle to Washington is 4 hours and 13 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 879 km/h / 546 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA688 Seattle to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA688 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA688 flight?
The latest flight took off on Wednesday, June 24th, 2026 with the flight status being Landed on 15:28.
How else can the flight UA688 be referenced as?
This United Airlines flight can also be referenced as UAL688, UA0688, UA 688, UAL 688.
How often is flight UA688 delayed?
On average, 0% of all UA688 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA688 flight or baggage issues?
If your UA688 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 UA688 Flight Tracker above for more details.
Flight UA688 is code-shared by 3 airlines using the flight numbers LH7485, OS7908, SN8850
Other flights departing from Seattle SEA: WN3232, WN4920, UA2319, AS2375
Other flights arriving at Washington IAD: UA2763, UA1951, UA4833, UA4538
All flights connecting Seattle SEA to Washington IAD.