Southwest Airlines
WN4425St. Louis to Washington
Southwest Airlines flight WN4425 flies from St. Louis (STL) to Washington (DCA), 1,154 km. Over August 2025 to July 2026 it usually arrives about 18 minutes late: 62% of 220 flights arrived within 15 minutes of schedule and 0.5% were cancelled (US Department of Transportation data).
On-time record, last 12 months
62%
on time (within 15 min)
22%
more than 30 min late
0.5%
cancelled
+18 min
average arrival vs schedule
Every operation of WN4425, August 2025 to July 2026: 220 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4425
- St. Louis (STL) to Washington (DCA)64 flights
- Sarasota Bradenton (SRQ) to Chicago Midway (MDW)58 flights
- Sarasota Bradenton (SRQ) to Nashville (BNA)49 flights
- San Francisco (SFO) to Nashville (BNA)32 flights
- Denver (DEN) to Boise (BOI)8 flights
- Baltimore (BWI) to Denver (DEN)7 flights
- Phoenix Sky Harbor (PHX) to San Diego (SAN)2 flights
Other flights from St. Louis to Washington
More about St. Louis (STL) and Washington (DCA).
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