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WN4128 Flight Status Southwest Airlines: Chicago to Washington (SWA4128)

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WN 4128 Chicago to Washington Flight Status

Southwest Airlines Flight WN4128 from Chicago Midway International Airport MDW to Washington Ronald Reagan National Airport DCA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 30th, 2026.
Check the table below for WN4128's most recent flight history:

WN 4128 Flight Status & Schedule

Date Departure Arrival Status
May 30 18:52 21:10
Landed
 Track >
May 23 19:17 21:46
Landed Late
 Track >
May 16 19:26 21:42
Landed
 Track >
May 09 18:58 21:13
Landed
 Track >
Apr 25 19:52 22:11
Landed Late
 Track >
< All MDW Departures All DCA Arrivals >

Southwest Airlines WN 4128 Chicago to Washington Flight Information

Southwest Airlines Flight WN4128 connects Chicago, United States to Washington, United States, taking off from Chicago Midway International Airport MDW and landing at Washington Ronald Reagan National Airport DCA.

How long is the WN4128 flight from Chicago to Washington?

The average flight time from Chicago to Washington is 1 hour and 19 minutes. The flight distance is 964 km / 599 miles and the average flight speed is 734 km/h / 456 mph.

How many WN4128 flights are operated per week?

1 flight per week. The flight WN4128 is operated on Saturday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4128 Chicago to Washington?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4128 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4128 arriving at?

Flight WN4128 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.

When was the latest WN4128 flight?

The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 21:10.

How else can the flight WN4128 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4128, WN 4128, SWA 4128.

How often is flight WN4128 delayed?

On average, 43% of all WN4128 flights are delayed. The average delay is 23 minutes.

Can I get compensation for my delayed or cancelled WN4128 flight or baggage issues?

If your WN4128 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 WN4128 Flight Tracker above for more details.

WN4128 and Chicago MDW to Washington DCA Flights

Other flights departing from Chicago MDW: DL4678, WN3395, WN3417, DL4716

Other flights arriving at Washington DCA: AA472, WN4640, B61755, DL727

All flights connecting Chicago MDW to Washington DCA.

WN4128 Southwest Airlines Flight: Chicago to Washington Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: X922 MW2697 MW8123 W67638 MS6113 J25156 A24159 RR8063 G4306 AD4248
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.