Southwest Airlines

WN4426St. Louis to Washington

Name: Southwest Airlines WN4426 St. Louis to Washington: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN4426 flies from St. Louis (STL) to Washington (DCA), 1,154 km. Over August 2025 to July 2026 it usually arrives about 18 minutes late: 65% of 246 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).

On-time record, last 12 months

65%

on time (within 15 min)

22%

more than 30 min late

cancelled

+18 min

average arrival vs schedule

Every operation of WN4426, August 2025 to July 2026: 246 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN4426

St. Louis (STL) to Washington (DCA)60 flights
Austin Bergstrom (AUS) to Phoenix Sky Harbor (PHX)57 flights
Tampa (TPA) to Milwaukee (MKE)50 flights
San Francisco (SFO) to Burbank (BUR)28 flights
Santa Barbara (SBA) to Denver (DEN)18 flights
Sacramento (SMF) to Santa Barbara (SBA)13 flights
Orlando (MCO) to St. Louis (STL)7 flights
Phoenix Sky Harbor (PHX) to Portland (PDX)7 flights
Sacramento (SMF) to San Diego (SAN)3 flights
Kona (KOA) to Los Angeles (LAX)2 flights

Other flights from St. Louis to Washington

WN1100 WN1283 WN1309 WN1370 WN1411 WN1440 WN164 WN1714 WN1884 WN2004 WN2084 WN2203

More about St. Louis (STL) and Washington (DCA).

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