| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 10 | EWR | DEN | 19:21 | 20:54 |
Delayed
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Track > |
| Aug 09 | EWR | DEN | 16:02 | 17:47 |
Landed
|
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| Aug 08 | EWR | DEN | 18:17 | 18:23 |
Unknown
|
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| Aug 07 | EWR | DEN | 15:41 | 18:23 |
Cancelled
|
Track > |
| Claim > | ||||||
| Aug 06 | EWR | DEN | 20:51 | 22:22 |
Delayed
|
Track > |
| Aug 05 | EWR | DEN | 17:55 | 19:44 |
Delayed
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| Aug 04 | EWR | DEN | 16:04 | 17:49 |
Landed
|
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| Aug 03 | EWR | DEN | 15:41 | 18:23 |
Cancelled
|
Track > |
| Aug 02 | EWR | DEN | 15:41 | 18:23 |
Cancelled
|
Track > |
| Aug 01 | EWR | DEN | 15:58 | 17:27 |
Landed
|
Track > |
United Airlines Flight UA663 connects New York, United States to Denver, United States, taking off from New York Newark Liberty International Airport EWR and landing at Denver International Airport DEN.
How long is the UA663 flight from New York to Denver?
The average flight time from New York to Denver is 3 hours and 38 minutes. The flight distance is 2576 km / 1601 miles and the average flight speed is 644 km/h / 400 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 New York to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA663 is 4.2/5 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, August 11th, 2026 with the flight status being En-Route on 20:54.
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, 30% of all UA663 flights are delayed. The average delay is 157 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.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Flight UA663 is code-shared by 1 airline using the flight number SN8908
Other flights departing from New York EWR: UA2815, UA782, AC1559, UA4486
Other flights arriving at Denver DEN: UA2852, UA484, OO5778, UA2852
All flights connecting New York EWR to Denver DEN.