Southwest Airlines

WN519Denver to Seattle

Name: Southwest Airlines WN519 Denver to Seattle: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN519 flies from Denver (DEN) to Seattle Tacoma (SEA), 1,645 km. Over August 2025 to July 2026 it usually arrives about 4 minutes late: 79% of 440 flights arrived within 15 minutes of schedule and 1.8% were cancelled (US Department of Transportation data).

On-time record, last 12 months

79%

on time (within 15 min)

10%

more than 30 min late

1.8%

cancelled

+4 min

average arrival vs schedule

Every operation of WN519, August 2025 to July 2026: 440 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN519

Denver (DEN) to Seattle Tacoma (SEA)56 flights
Las Vegas (LAS) to Tucson (TUS)56 flights
Tucson (TUS) to Denver (DEN)50 flights
Phoenix Sky Harbor (PHX) to Denver (DEN)40 flights
Kansas City (MCI) to New Orleans (MSY)33 flights
Seattle Tacoma (SEA) to Sacramento (SMF)32 flights
Phoenix Sky Harbor (PHX) to Nashville (BNA)24 flights
San Diego (SAN) to El Paso (ELP)21 flights
Portland (PDX) to Oakland (OAK)18 flights
El Paso (ELP) to Austin Bergstrom (AUS)18 flights

Other flights from Denver to Seattle

UA1115 UA1254 UA1263 UA1424 UA1456 UA1482 UA1729 UA1865 UA1951 UA2013 UA204 UA2164

More about Denver (DEN) and Seattle Tacoma (SEA).

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