UA663 Flight Status United Airlines: Seattle to Denver (UAL663)
Are you looking for the November 9th, 2026 UA 663 Denver to Medford flight? Go to our UA663 Denver to Medford Flight Status page >
UA 663 Seattle to Denver Flight Status
Not scheduled today (November 9th, 2026). Latest flight: September 23rd, 2026 ; recent history is in the table below.
UA 663 Flight Status & Schedule United Airlines Seattle to Denver
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 23 | SEA | DEN | 14:41 | 17:47 | Landed | Track > |
| Sep 21 | SEA | DEN | 14:57 | 18:11 | Landed | Track > |
| Sep 20 | SEA | DEN | 14:51 | 18:15 | Landed | Track > |
| Sep 18 | SEA | DEN | 15:54 | 19:29 | Delayed | Track > |
| Sep 17 | SEA | DEN | 14:42 | 18:40 | Landed Late | Track > |
| Sep 16 | SEA | DEN | 14:40 | 18:06 | Landed | Track > |
| Sep 14 | SEA | DEN | 15:08 | 18:22 | Landed | Track > |
| Sep 13 | SEA | DEN | 14:57 | 18:02 | Landed | Track > |
United Airlines operates UA 663 from Seattle to Denver, a 1,645 km (1,022 mi) trip. The timetable allows 2 h 51 min, but the flight usually takes about 2 h 15 min, so it often makes up time. It is not flying today; the last flight, on 23 September 2026, landed on time.
About UA 663
- Distance
- 1,645 km (1,022 mi)
- Typical flight time
- 2 h 15 min
- On time
- 6 of the last 7
- Average delay when late
- 15 min
UA 663 FAQ
- How long is the UA663 flight?
- The timetable allows 2 h 51 min. Seattle to Denver is 1,645 km (1,022 mi).
- How often is UA663 late?
- 1 of the last 7 flights arrived 15 or more minutes late; when late, by 15 minutes on average.
- What other flight numbers does UA663 have?
- Also listed as UAL663 (United Airlines' ICAO code) and UA 663.
UA663 and Seattle SEA to Denver DEN Flights
Other flights departing from Seattle SEA: AS1436, WN4517, AS458, EM4657
Other flights arriving at Denver DEN: WN673, UA2325, UA2119
All flights connecting Seattle SEA to Denver DEN.