| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | ONT | BWI | 21:40 | 05:30 |
Scheduled
|
Track > |
| Jul 18 | ONT | BWI | 21:44 | 05:24 |
Landed
|
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| Jul 17 | ONT | BWI | 21:49 | 05:29 |
Landed
|
Track > |
| Jul 16 | ONT | BWI | 21:55 | 05:33 |
Landed
|
Track > |
| Jul 15 | ONT | BWI | 21:55 | 05:37 |
Landed
|
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| Jul 14 | ONT | BWI | 21:50 | 05:43 |
Landed
|
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| Jul 13 | ONT | BWI | 21:52 | 05:43 |
Landed
|
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| Jul 12 | ONT | BWI | 22:02 | 05:48 |
Landed Late
|
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| Jul 11 | ONT | BWI | 21:44 | 05:20 |
Landed
|
Track > |
| Jul 10 | ONT | BWI | 22:35 | 05:50 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3143 connects Ontario, United States to Baltimore, United States, taking off from Ontario International Airport ONT and landing at Baltimore Washington International Airport BWI.
How long is the WN3143 flight from Ontario to Baltimore?
The average flight time from Ontario to Baltimore is 4 hours and 40 minutes. The flight distance is 3666 km / 2278 miles and the average flight speed is 784 km/h / 487 mph.
How many WN3143 flights are operated per week?
7 flights per week. The flight WN3143 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3143 Ontario to Baltimore?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3143 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3143 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being Scheduled on 05:30.
How else can the flight WN3143 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3143, WN 3143, SWA 3143.
How often is flight WN3143 delayed?
On average, 60% of all WN3143 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled WN3143 flight or baggage issues?
If your WN3143 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 WN3143 Flight Tracker above for more details.
Other flights departing from Ontario ONT: Y41863, DL2892, WN3164, WN1565
Other flights arriving at Baltimore BWI: WN3486, WN3613, WN2683, WN3622
All flights connecting Ontario ONT to Baltimore BWI.