| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 28 | DEN | IAD | 10:10 | 15:23 |
Landed
|
Track > |
| Sep 21 | DEN | IAD | 10:23 | 15:13 |
Landed
|
Track > |
| Sep 14 | DEN | IAD | 10:11 | 15:23 |
Landed
|
Track > |
| Sep 07 | DEN | IAD | 10:03 | 14:53 |
Landed
|
Track > |
| Aug 24 | DEN | IAD | 10:15 | 15:09 |
Landed
|
Track > |
| Aug 17 | DEN | IAD | 10:11 | 15:04 |
Landed
|
Track > |
| Aug 10 | DEN | IAD | 11:02 | 16:11 |
Delayed
|
Track > |
Southwest Airlines Flight WN4123 connects Denver, United States to Washington, United States, taking off from Denver International Airport DEN and landing at Washington Dulles International Airport IAD.
How long is the WN4123 flight from Denver to Washington?
The average flight time from Denver to Washington is 3 hours. The flight distance is 2331 km / 1449 miles and the average flight speed is 779 km/h / 484 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4123 Denver to Washington?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4123 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4123 flight?
The latest flight took off on Sunday, September 28th, 2025 with the flight status being Landed on 15:23.
How else can the flight WN4123 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4123, WN 4123, SWA 4123.
How often is flight WN4123 delayed?
On average, 43% of all WN4123 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled WN4123 flight or baggage issues?
If your WN4123 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 WN4123 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN2615, WN1646, WN2179, WN709
Other flights arriving at Washington IAD: AA5106, AA5338, AS401, G41450
All flights connecting Denver DEN to Washington IAD.
