| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | DEN | ONT | 08:37 | 09:33 |
Landed
|
Track > |
| May 30 | DEN | ONT | 08:45 | 09:38 |
Landed
|
Track > |
| May 24 | DEN | ONT | 09:17 | 10:08 |
Landed
|
Track > |
| May 23 | DEN | ONT | 08:47 | 09:36 |
Landed
|
Track > |
| May 17 | DEN | ONT | 08:54 | 09:50 |
Landed
|
Track > |
| May 16 | DEN | ONT | 08:44 | 09:40 |
Landed
|
Track > |
| May 10 | DEN | ONT | 08:55 | 09:40 |
Landed
|
Track > |
| May 09 | DEN | ONT | 08:47 | 09:39 |
Landed
|
Track > |
| May 03 | DEN | ONT | 08:38 | 09:56 |
Unknown
|
Track > |
| Apr 26 | DEN | ONT | 08:53 | 09:51 |
Landed
|
Track > |
Southwest Airlines Flight WN4040 connects Denver, United States to Ontario, United States, taking off from Denver International Airport DEN and landing at Ontario International Airport ONT.
How long is the WN4040 flight from Denver to Ontario?
The average flight time from Denver to Ontario is 1 hour and 55 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 687 km/h / 427 mph.
How many WN4040 flights are operated per week?
2 flights per week. The flight WN4040 is operated on Saturday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4040 Denver to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4040 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4040 arriving at?
Flight WN4040 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN4040 flight?
The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 09:33.
How else can the flight WN4040 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4040, WN 4040, SWA 4040.
How often is flight WN4040 delayed?
On average, 20% of all WN4040 flights are delayed. The average delay is 3 minutes.
Can I get compensation for my delayed or cancelled WN4040 flight or baggage issues?
If your WN4040 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 WN4040 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN1658, WN1744, WN3050, WN3398
Other flights arriving at Ontario ONT: WN2157, AA2238, AS1333, F92907
All flights connecting Denver DEN to Ontario ONT.