| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 03 | BWI | ISP | 22:42 | 23:29 |
Landed
|
Track > |
| Aug 02 | BWI | ISP | 00:18 | 23:40 |
En-Route
|
Track > |
| Aug 01 | BWI | ISP | 00:04 | 23:15 |
En-Route
|
Track > |
| Jul 31 | BWI | ISP | 23:08 | 23:54 |
En-Route
|
Track > |
| Jul 30 | BWI | ISP | 22:51 | 23:39 |
Landed
|
Track > |
| Jul 29 | BWI | ISP | 21:50 | 22:34 |
En-Route
|
Track > |
| Jul 28 | BWI | ISP | 22:11 | 23:29 |
Landed Late
|
Track > |
| Jul 27 | BWI | ISP | 22:45 | 23:28 |
Landed
|
Track > |
| Jul 26 | BWI | ISP | 22:41 | 23:27 |
Landed
|
Track > |
| Jul 25 | BWI | ISP | 22:10 | 22:51 |
Landed
|
Track > |
Southwest Airlines Flight WN4321 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 WN4321 flight from Baltimore to Islip?
The average flight time from Baltimore to Islip is 49 minutes. The flight distance is 353 km / 220 miles and the average flight speed is 414 km/h / 257 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4321 Baltimore to Islip?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4321 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4321 flight?
The latest flight took off on Tuesday, August 4th, 2026 with the flight status being Landed on 23:29.
How else can the flight WN4321 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4321, WN 4321, SWA 4321.
How often is flight WN4321 delayed?
On average, 20% of all WN4321 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled WN4321 flight or baggage issues?
If your WN4321 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 WN4321 Flight Tracker above for more details.
Other flights departing from Baltimore BWI: WN4157, WN4164, WN4216, WN858
Other flights arriving at Islip ISP: MX254, WN4840, XP1180, MX9755
All flights connecting Baltimore BWI to Islip ISP.