| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | STL | DCA | 13:47 | 16:31 |
Landed Late
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| Jun 02 | STL | DCA | 13:33 | 16:14 |
Landed
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| Jun 01 | STL | DCA | 13:31 | 16:07 |
Landed
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| May 31 | STL | DCA | 13:17 | 15:53 |
Landed
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| May 29 | STL | DCA | 13:32 | 16:07 |
Landed
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| May 28 | STL | DCA | 13:53 | 16:28 |
Landed
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| May 27 | STL | DCA | 13:45 | 16:19 |
Landed
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| May 26 | STL | DCA | 13:46 | 16:18 |
Landed
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| May 25 | STL | DCA | 15:14 | 17:45 |
Delayed
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| May 24 | STL | DCA | 13:08 | 15:42 |
Landed
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Southwest Airlines Flight WN4451 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 WN4451 flight from St. Louis to Washington?
The average flight time from St. Louis to Washington is 1 hour and 35 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 724 km/h / 450 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4451 St. Louis to Washington?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4451 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4451 arriving at?
Flight WN4451 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.
When was the latest WN4451 flight?
The latest flight took off on Wednesday, June 3rd, 2026 with the flight status being Landed on 16:31.
How else can the flight WN4451 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4451, WN 4451, SWA 4451.
How often is flight WN4451 delayed?
On average, 60% of all WN4451 flights are delayed. The average delay is 22 minutes.
Can I get compensation for my delayed or cancelled WN4451 flight or baggage issues?
If your WN4451 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 WN4451 Flight Tracker above for more details.
Other flights departing from St. Louis STL: DL5610, WN1776, WN2737, WN3616
Other flights arriving at Washington DCA: WN3433, WN3628, DL5723, WN3384
All flights connecting St. Louis STL to Washington DCA.