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WN4421 Flight Status Southwest Airlines: Baltimore to Islip (SWA4421)

WN 4421 Baltimore to Islip Flight Status

Southwest Airlines Flight WN4421 from Baltimore Washington International Airport BWI to Islip Long Island MacArthur Airport ISP is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on September 27th, 2025.
Check the table below for WN4421's most recent flight history:

WN 4421 Flight Status & Schedule

Date Departure Arrival Status
Sep 27 11:29 12:13
Landed
 Track >
Sep 20 11:12 11:55
Landed
 Track >
Sep 13 11:00 11:45
Landed
 Track >
Sep 06 11:06 11:52
Landed
 Track >
Aug 30 11:09 11:54
Landed
 Track >
< All BWI Departures All ISP Arrivals >

Southwest Airlines WN 4421 Baltimore to Islip Flight Information

Southwest Airlines Flight WN4421 connects Baltimore, United States to Islip, United States, taking off from Baltimore Washington International Airport BWI and landing at Islip Long Island MacArthur Airport ISP.

How long is the WN4421 flight from Baltimore to Islip?

The average flight time from Baltimore to Islip is 44 minutes. The flight distance is 353 km / 220 miles and the average flight speed is 478 km/h / 297 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4421 Baltimore to Islip?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4421 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4421 flight?

The latest flight took off on Saturday, September 27th, 2025 with the flight status being Landed on 12:13.

How else can the flight WN4421 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4421, WN 4421, SWA 4421.

How often is flight WN4421 delayed?

On average, 25% of all WN4421 flights are delayed. The average delay is 8 minutes.

Can I get compensation for my delayed or cancelled WN4421 flight or baggage issues?

If your WN4421 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 WN4421 Flight Tracker above for more details.

WN4421 and Baltimore BWI to Islip ISP Flights

Other flights departing from Baltimore BWI: WN1668, WN4128, WN31, WN523

Other flights arriving at Islip ISP: WN2153, WN1782, WN1800, WN1093

All flights connecting Baltimore BWI to Islip ISP.

WN4421 Southwest Airlines Flight: Baltimore to Islip Route Map

WN4421 Southwest Airlines Flight Map: Baltimore to Islip
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.