| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | STL | DCA | 16:22 | 18:45 |
Landed
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| Jan 04 | STL | DCA | 16:05 | 18:34 |
Landed
|
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| Jan 03 | STL | DCA | 17:41 | 20:10 |
Delayed
|
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| Jan 02 | STL | DCA | 16:39 | 19:10 |
Landed Late
|
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| Jan 01 | STL | DCA | 15:25 | 17:53 |
Landed
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| Dec 31 | STL | DCA | 15:24 | 17:53 |
Landed
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| Dec 30 | STL | DCA | 16:19 | 18:52 |
Landed
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| Dec 29 | STL | DCA | 15:57 | 18:26 |
Landed
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| Dec 28 | STL | DCA | 16:05 | 18:32 |
Landed
|
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| Dec 27 | STL | DCA | 16:52 | 19:19 |
Landed Late
|
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Southwest Airlines Flight WN4425 connects St. Louis, United States to Washington, United States, taking off from St. Louis Lambert International Airport STL and landing at Washington Ronald Reagan National Airport DCA.
How long is the WN4425 flight from St. Louis to Washington?
The average flight time from St. Louis to Washington is 1 hour and 28 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 783 km/h / 487 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4425 St. Louis to Washington?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4425 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4425 arriving at?
Flight WN4425 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.
When was the latest WN4425 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 18:45.
How else can the flight WN4425 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4425, WN 4425, SWA 4425.
How often is flight WN4425 delayed?
On average, 40% of all WN4425 flights are delayed. The average delay is 30 minutes.
Can I get compensation for my delayed or cancelled WN4425 flight or baggage issues?
If your WN4425 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN4425 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN1953, WN4150, WN1788, WN4238
Other flights arriving at Washington DCA: UA2223, AA1955, AA5063, AA4132
All flights connecting St. Louis STL to Washington DCA.