| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | BUF | DEN | 10:45 | 12:03 |
Landed
|
Track > |
| Jan 04 | BUF | DEN | 10:52 | 12:13 |
Landed Late
|
Track > |
| Jan 02 | BUF | DEN | 10:52 | 12:09 |
Landed
|
Track > |
| Dec 30 | BUF | DEN | 10:43 | 11:55 |
Landed
|
Track > |
| Dec 29 | BUF | DEN | 10:20 | 11:55 |
Cancelled
|
Track > |
| Claim > | ||||||
| Dec 28 | BUF | DEN | 10:29 | 11:52 |
Landed
|
Track > |
| Dec 26 | BUF | DEN | 10:32 | 12:07 |
Landed
|
Track > |
| Dec 23 | BUF | DEN | 10:30 | 12:02 |
Landed
|
Track > |
| Dec 22 | BUF | DEN | 10:37 | 11:54 |
Landed
|
Track > |
| Dec 21 | BUF | DEN | 10:27 | 11:44 |
Landed
|
Track > |
Southwest Airlines Flight WN2140 connects Buffalo, United States to Denver, United States, taking off from Buffalo Niagara International Airport BUF and landing at Denver International Airport DEN.
How long is the WN2140 flight from Buffalo to Denver?
The average flight time from Buffalo to Denver is 3 hours and 21 minutes. The flight distance is 2182 km / 1356 miles and the average flight speed is 647 km/h / 402 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN2140 Buffalo to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN2140 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN2140 arriving at?
Flight WN2140 arrives at Denver International Airport (DEN) Terminal B.
When was the latest WN2140 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 12:03.
How else can the flight WN2140 be referenced as?
This Southwest Airlines flight can also be referenced as SWA2140, WN 2140, SWA 2140.
How often is flight WN2140 delayed?
On average, 40% of all WN2140 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled WN2140 flight or baggage issues?
If your WN2140 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 WN2140 Flight Tracker above for more details.
Other flights departing from Buffalo BUF: WN1461, UA3499, AA4447, WN4498
Other flights arriving at Denver DEN: WN1283, WN4458, WN3585, WN2106
All flights connecting Buffalo BUF to Denver DEN.