United Airlines
UA1456Denver to Seattle
United Airlines flight UA1456 flies from Denver (DEN) to Seattle Tacoma (SEA), 1,645 km. Over September 2025 to October 2025 it usually arrives right on schedule: 91% of 79 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
91%
on time (within 15 min)
6%
more than 30 min late
0%
cancelled
0 min
average arrival vs schedule
Every operation of UA1456, September 2025 to October 2025: 79 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1456
- Denver (DEN) to Seattle Tacoma (SEA)31 flights
- New Orleans (MSY) to Denver (DEN)25 flights
- Las Vegas (LAS) to Denver (DEN)23 flights
Other flights from Denver to Seattle
More about Denver (DEN) and Seattle Tacoma (SEA).
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