| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | SLC | IAD | 10:19 | 15:28 |
Landed
|
Track > |
| Feb 10 | SLC | IAD | 10:14 | 15:34 |
Landed
|
Track > |
| Feb 09 | SLC | IAD | 10:20 | 15:48 |
Landed
|
Track > |
| Feb 08 | SLC | IAD | 10:16 | 15:53 |
Landed
|
Track > |
| Feb 07 | SLC | IAD | 10:33 | 16:27 |
Landed Late
|
Track > |
| Feb 06 | SLC | IAD | 11:40 | 17:00 |
Delayed
|
Track > |
| Feb 05 | SLC | IAD | 10:20 | 16:03 |
Landed
|
Track > |
| Feb 04 | SLC | IAD | 10:16 | 16:08 |
Landed
|
Track > |
| Feb 03 | SLC | IAD | 10:15 | 15:45 |
Landed
|
Track > |
| Feb 02 | SLC | IAD | 10:36 | 15:54 |
Landed
|
Track > |
United Airlines Flight UA688 connects Salt Lake City, United States to Washington, United States, taking off from Salt Lake City International Airport SLC and landing at Washington Dulles International Airport IAD.
How long is the UA688 flight from Salt Lake City to Washington?
The average flight time from Salt Lake City to Washington is 3 hours and 31 minutes. The flight distance is 2934 km / 1823 miles and the average flight speed is 838 km/h / 521 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA688 Salt Lake City to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA688 is 4.8/5 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, February 11th, 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, 40% of all UA688 flights are delayed. The average delay is 25 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 1 airline using the flight number LH8725
Other flights departing from Salt Lake City SLC: AA1029, DL3995, DL1593, DL9971
Other flights arriving at Washington IAD: UA3988, UA4230, UA3579, UA4007
All flights connecting Salt Lake City SLC to Washington IAD.