| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | MDW | ONT | 12:12 | 14:11 |
Landed
|
Track > |
| Apr 05 | MDW | ONT | 22:01 | 23:55 |
Landed
|
Track > |
| Apr 04 | MDW | ONT | 21:41 | 23:27 |
Landed
|
Track > |
| Apr 03 | MDW | ONT | 12:30 | 14:29 |
Landed Late
|
Track > |
| Apr 02 | MDW | ONT | 11:55 | 13:53 |
Landed
|
Track > |
| Apr 01 | MDW | ONT | 10:38 | 12:44 |
Landed
|
Track > |
| Mar 31 | MDW | ONT | 12:01 | 14:09 |
Delayed
|
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| Mar 30 | MDW | ONT | 12:13 | 14:08 |
Landed
|
Track > |
| Mar 29 | MDW | ONT | 22:14 | 00:05 |
Landed
|
Track > |
| Mar 28 | MDW | ONT | 22:33 | 00:22 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3123 connects Chicago, United States to Ontario, United States, taking off from Chicago Midway International Airport MDW and landing at Ontario International Airport ONT.
How long is the WN3123 flight from Chicago to Ontario?
The average flight time from Chicago to Ontario is 3 hours and 56 minutes. The flight distance is 2739 km / 1702 miles and the average flight speed is 696 km/h / 432 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3123 Chicago to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3123 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3123 arriving at?
Flight WN3123 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN3123 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 14:11.
How else can the flight WN3123 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3123, WN 3123, SWA 3123.
How often is flight WN3123 delayed?
On average, 50% of all WN3123 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled WN3123 flight or baggage issues?
If your WN3123 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 WN3123 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN1997, WN3950, WN117, WN8750
Other flights arriving at Ontario ONT: WN1278, WN1058, AA2635, WN3452
All flights connecting Chicago MDW to Ontario ONT.