| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | PHX | ONT | 20:24 | 20:13 |
Landed Late
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Track > |
| Jan 01 | PHX | ONT | 12:34 | 12:32 |
Landed Late
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| Dec 31 | PHX | ONT | 11:58 | 11:50 |
Landed
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| Dec 25 | PHX | ONT | 12:34 | 12:35 |
Landed Late
|
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| Dec 24 | PHX | ONT | 11:52 | 11:57 |
Landed
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| Dec 18 | PHX | ONT | 19:40 | 19:32 |
Landed
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| Dec 17 | PHX | ONT | 11:40 | 11:39 |
Landed
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| Dec 16 | PHX | ONT | 11:43 | 11:35 |
Landed
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| Dec 15 | PHX | ONT | 12:12 | 12:01 |
Landed
|
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| Dec 14 | PHX | ONT | 19:43 | 19:33 |
Landed
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Southwest Airlines Flight WN4099 connects Phoenix, United States to Ontario, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at Ontario International Airport ONT.
How long is the WN4099 flight from Phoenix to Ontario?
The average flight time from Phoenix to Ontario is 54 minutes. The flight distance is 521 km / 324 miles and the average flight speed is 577 km/h / 359 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4099 Phoenix to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4099 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4099 arriving at?
Flight WN4099 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN4099 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 20:13.
How else can the flight WN4099 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4099, WN 4099, SWA 4099.
How often is flight WN4099 delayed?
On average, 40% of all WN4099 flights are delayed. The average delay is 25 minutes.
Can I get compensation for my delayed or cancelled WN4099 flight or baggage issues?
If your WN4099 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 WN4099 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: WN4066, WN427, WN2109, WN2216
Other flights arriving at Ontario ONT: WN2576, WN1451, WN4374, WN3239
All flights connecting Phoenix PHX to Ontario ONT.