| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 14 | SEA | DEN | 15:08 | 18:22 |
Landed
|
Track > |
| Sep 13 | SEA | DEN | 14:57 | 18:02 |
Landed
|
Track > |
United Airlines Flight UA663 connects Seattle, United States to Denver, United States, taking off from Seattle Tacoma International Airport SEA and landing at Denver International Airport DEN.
How long is the UA663 flight from Seattle to Denver?
The average flight time from Seattle to Denver is 2 hours and 9 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 763 km/h / 474 mph.
How many UA663 flights are operated per week?
2 flights per week. The flight UA663 is operated on Monday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA663 Seattle to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA663 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA663 flight?
The latest flight took off on Tuesday, September 15th, 2026 with the flight status being Landed on 18:22.
How else can the flight UA663 be referenced as?
This United Airlines flight can also be referenced as UAL663, UA0663, UA 663, UAL 663.
How often is flight UA663 delayed?
On average, 0% of all UA663 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA663 flight or baggage issues?
If your UA663 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 UA663 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL2830, OO3697, WN393, OO3707
Other flights arriving at Denver DEN: WN2862, WN1637, UA1573, OO5947
All flights connecting Seattle SEA to Denver DEN.