| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | STL | DCA | 19:27 | 21:59 |
Landed
|
Track > |
| May 17 | STL | DCA | 20:12 | 22:44 |
Landed Late
|
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| May 10 | STL | DCA | 20:12 | 22:45 |
Landed Late
|
Track > |
| May 03 | STL | DCA | 19:23 | 22:14 |
Unknown
|
Track > |
| Apr 26 | STL | DCA | 19:52 | 22:27 |
Landed
|
Track > |
| Apr 19 | STL | DCA | 20:06 | 22:33 |
Landed
|
Track > |
| Apr 12 | STL | DCA | 19:29 | 21:59 |
Landed
|
Track > |
Southwest Airlines Flight WN3643 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 WN3643 flight from St. Louis to Washington?
The average flight time from St. Louis to Washington is 1 hour and 34 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 738 km/h / 459 mph.
How many WN3643 flights are operated per week?
1 flight per week. The flight WN3643 is operated on Monday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3643 St. Louis to Washington?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3643 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3643 arriving at?
Flight WN3643 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.
When was the latest WN3643 flight?
The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 21:59.
How else can the flight WN3643 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3643, WN 3643, SWA 3643.
How often is flight WN3643 delayed?
On average, 57% of all WN3643 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled WN3643 flight or baggage issues?
If your WN3643 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 WN3643 Flight Tracker above for more details.
Other flights departing from St. Louis STL: UA3511, AA2491, UA2482, WN1183
Other flights arriving at Washington DCA: AA5560, B62080, AC8786, AA4047
All flights connecting St. Louis STL to Washington DCA.