| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | STL | DCA | 19:05 | 21:37 |
Landed
|
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| Jan 04 | STL | DCA | 20:58 | 23:28 |
Landed Late
|
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| Jan 03 | STL | DCA | 19:36 | 22:07 |
Landed
|
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| Jan 02 | STL | DCA | 19:56 | 22:26 |
Landed
|
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| Jan 01 | STL | DCA | 19:25 | 21:53 |
Landed
|
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| Dec 31 | STL | DCA | 19:01 | 21:26 |
Landed
|
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| Dec 30 | STL | DCA | 20:26 | 22:58 |
Landed
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| Dec 29 | STL | DCA | 20:45 | 23:11 |
Landed Late
|
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| Dec 28 | STL | DCA | 21:24 | 23:47 |
Landed Late
|
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| Dec 27 | STL | DCA | 21:33 | 21:55 |
Unknown
|
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Southwest Airlines Flight WN4426 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 WN4426 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 765 km/h / 475 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4426 St. Louis to Washington?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4426 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4426 arriving at?
Flight WN4426 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.
When was the latest WN4426 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 21:37.
How else can the flight WN4426 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4426, WN 4426, SWA 4426.
How often is flight WN4426 delayed?
On average, 50% of all WN4426 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled WN4426 flight or baggage issues?
If your WN4426 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 WN4426 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN378, WN4379, WN2958, WN2104
Other flights arriving at Washington DCA: WN202, AA4435, AA5055, AA5105
All flights connecting St. Louis STL to Washington DCA.