| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 29 | MDW | SEA | 14:45 | 16:45 |
Unknown
|
Track > |
| Sep 26 | MDW | SEA | 14:37 | 16:32 |
Landed
|
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| Sep 25 | MDW | SEA | 14:42 | 16:39 |
Landed
|
Track > |
| Sep 22 | MDW | SEA | 14:38 | 16:41 |
Landed
|
Track > |
| Sep 19 | MDW | SEA | 14:35 | 16:37 |
Landed
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| Sep 18 | MDW | SEA | 14:33 | 16:22 |
Landed
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| Sep 15 | MDW | SEA | 14:29 | 16:06 |
Landed
|
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| Sep 12 | MDW | SEA | 14:53 | 16:49 |
Landed
|
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| Sep 11 | MDW | SEA | 14:38 | 16:29 |
Landed
|
Track > |
| Sep 08 | MDW | SEA | 14:34 | 16:25 |
Landed
|
Track > |
Southwest Airlines Flight WN311 connects Chicago, United States to Seattle, United States, taking off from Chicago Midway International Airport MDW and landing at Seattle Tacoma International Airport SEA.
How long is the WN311 flight from Chicago to Seattle?
The average flight time from Chicago to Seattle is 3 hours and 53 minutes. The flight distance is 2782 km / 1729 miles and the average flight speed is 707 km/h / 439 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN311 Chicago to Seattle?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN311 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN311 arriving at?
Flight WN311 arrives at Seattle Tacoma International Airport (SEA) Terminal 3.
When was the latest WN311 flight?
The latest flight took off on Monday, September 29th, 2025 with the flight status being Unknown on 16:45.
How else can the flight WN311 be referenced as?
This Southwest Airlines flight can also be referenced as SWA311, WN0311, WN 311, SWA 311.
How often is flight WN311 delayed?
On average, 10% of all WN311 flights are delayed. The average delay is 4 minutes.
Can I get compensation for my delayed or cancelled WN311 flight or baggage issues?
If your WN311 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 WN311 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN951, WN3722, WN1930, WN1738
Other flights arriving at Seattle SEA: WN1342, AS1097, AS2193, AS3375
All flights connecting Chicago MDW to Seattle SEA.
