| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 04 | DEN | BUF | 15:31 | 20:15 |
Landed Late
|
Track > |
| Aug 03 | DEN | BUF | 19:04 | 23:45 |
Landed
|
Track > |
| Aug 02 | DEN | BUF | 19:23 | 00:04 |
Delayed
|
Track > |
| Aug 01 | DEN | BUF | 15:36 | 20:08 |
Landed Late
|
Track > |
| Jul 31 | DEN | BUF | 16:15 | 20:42 |
Delayed
|
Track > |
| Jul 30 | DEN | BUF | 20:04 | 00:42 |
Landed
|
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| Jul 29 | DEN | BUF | 21:25 | 02:19 |
Delayed
|
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| Jul 28 | DEN | BUF | 15:16 | 19:51 |
Landed
|
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| Jul 27 | DEN | BUF | 20:30 | 01:05 |
Delayed
|
Track > |
| Jul 26 | DEN | BUF | 18:40 | 23:17 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3156 connects Denver, United States to Buffalo, United States, taking off from Denver International Airport DEN and landing at Buffalo Niagara International Airport BUF.
How long is the WN3156 flight from Denver to Buffalo?
The average flight time from Denver to Buffalo is 2 hours and 38 minutes. The flight distance is 2182 km / 1356 miles and the average flight speed is 828 km/h / 514 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3156 Denver to Buffalo?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3156 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3156 arriving at?
Flight WN3156 arrives at Buffalo Niagara International Airport (BUF) Terminal M.
When was the latest WN3156 flight?
The latest flight took off on Monday, August 4th, 2025 with the flight status being Landed on 20:15.
How else can the flight WN3156 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3156, WN 3156, SWA 3156.
How often is flight WN3156 delayed?
On average, 80% of all WN3156 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled WN3156 flight or baggage issues?
If your WN3156 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 WN3156 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN137, WN1541, WN2647, WN2762
Other flights arriving at Buffalo BUF: WN2382, WN4738, WN240, AA5119
All flights connecting Denver DEN to Buffalo BUF.
