| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 23 | DEN | SEA | 10:10 | 11:37 |
Landed
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Track > |
| Sep 22 | DEN | SEA | 10:18 | 11:37 |
Landed
|
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| Sep 21 | DEN | SEA | 10:16 | 11:38 |
Landed
|
Track > |
| Sep 20 | DEN | SEA | 10:27 | 11:47 |
Landed
|
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| Sep 18 | DEN | SEA | 10:19 | 11:42 |
Landed
|
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| Sep 17 | DEN | SEA | 10:19 | 11:41 |
Landed
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Track > |
| Sep 16 | DEN | SEA | 10:09 | 11:27 |
Landed
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| Sep 15 | DEN | SEA | 10:10 | 11:38 |
Landed
|
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| Sep 14 | DEN | SEA | 10:16 | 11:45 |
Landed
|
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| Sep 13 | DEN | SEA | 10:15 | 11:47 |
Landed
|
Track > |
United Airlines Flight UA1877 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 UA1877 flight from Denver to Seattle?
The average flight time from Denver to Seattle is 2 hours and 24 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 686 km/h / 426 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1877 Denver to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1877 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1877 flight?
The latest flight took off on Wednesday, September 23rd, 2026 with the flight status being Landed on 11:37.
How else can the flight UA1877 be referenced as?
This United Airlines flight can also be referenced as UAL1877, UA 1877, UAL 1877.
How often is flight UA1877 delayed?
On average, 0% of all UA1877 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA1877 flight or baggage issues?
If your UA1877 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 UA1877 Flight Tracker above for more details.
Other flights departing from Denver DEN: UA1753, WN1437, OO5409, UA5514
Other flights arriving at Seattle SEA: AS623, AS457, OO3060, QX2045
All flights connecting Denver DEN to Seattle SEA.