| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | DEN | SEA | 19:32 | 21:01 |
Landed
|
Track > |
| Jan 04 | DEN | SEA | 19:28 | 20:59 |
Landed
|
Track > |
| Jan 03 | DEN | SEA | 20:32 | 22:11 |
Delayed
|
Track > |
| Jan 02 | DEN | SEA | 19:32 | 21:07 |
Landed
|
Track > |
| Jan 01 | DEN | SEA | 19:30 | 20:49 |
Landed
|
Track > |
| Dec 31 | DEN | SEA | 19:25 | 20:56 |
Landed
|
Track > |
| Dec 30 | DEN | SEA | 19:26 | 20:48 |
Landed
|
Track > |
| Dec 29 | DEN | SEA | 20:16 | 21:29 |
Landed
|
Track > |
| Dec 28 | DEN | SEA | 19:36 | 21:03 |
Landed
|
Track > |
| Dec 27 | DEN | SEA | 19:26 | 21:02 |
Landed
|
Track > |
United Airlines Flight UA1729 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.
How long is the UA1729 flight from Denver to Seattle?
The average flight time from Denver to Seattle is 2 hours and 28 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 668 km/h / 415 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1729 Denver to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1729 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1729 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 21:01.
How else can the flight UA1729 be referenced as?
This United Airlines flight can also be referenced as UAL1729, UA 1729, UAL 1729.
How often is flight UA1729 delayed?
On average, 20% of all UA1729 flights are delayed. The average delay is 33 minutes.
Can I get compensation for my delayed or cancelled UA1729 flight or baggage issues?
If your UA1729 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 UA1729 Flight Tracker above for more details.
Other flights departing from Denver DEN: UA5285, WN2834, UA394, UA5251
Other flights arriving at Seattle SEA: AS307, UA2138, AA3138, AS3249
All flights connecting Denver DEN to Seattle SEA.
