| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | SFO | DEN | 18:06 | 21:05 |
Delayed
|
Track > |
| Jan 04 | SFO | DEN | 18:09 | 21:01 |
Landed Late
|
Track > |
| Jan 03 | SFO | DEN | 19:47 | 22:49 |
Delayed
|
Track > |
| Jan 02 | SFO | DEN | 18:01 | 20:54 |
Delayed
|
Track > |
| Jan 01 | SFO | DEN | 11:32 | 11:50 |
Unknown
|
Track > |
| Dec 31 | SFO | DEN | 08:30 | 11:31 |
Landed
|
Track > |
| Dec 30 | SFO | DEN | 17:16 | 20:20 |
Landed Late
|
Track > |
| Dec 29 | SFO | DEN | 16:54 | 20:03 |
Landed
|
Track > |
| Dec 28 | SFO | DEN | 17:08 | 20:14 |
Landed
|
Track > |
| Dec 27 | SFO | DEN | 17:40 | 20:39 |
Landed Late
|
Track > |
Southwest Airlines Flight WN4251 connects San Francisco, United States to Denver, United States, taking off from San Francisco International Airport SFO and landing at Denver International Airport DEN.
How long is the WN4251 flight from San Francisco to Denver?
The average flight time from San Francisco to Denver is 2 hours. The flight distance is 1553 km / 965 miles and the average flight speed is 759 km/h / 472 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4251 San Francisco to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4251 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4251 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being En-Route on 21:05.
How else can the flight WN4251 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4251, WN 4251, SWA 4251.
How often is flight WN4251 delayed?
On average, 70% of all WN4251 flights are delayed. The average delay is 63 minutes.
Can I get compensation for my delayed or cancelled WN4251 flight or baggage issues?
If your WN4251 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 WN4251 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: WN1687, WN4310, AS3233, OO233
Other flights arriving at Denver DEN: F91599, WN3470, WN2068, WN4014
All flights connecting San Francisco SFO to Denver DEN.