WN4553Southwest Airlines · BWI → ISP
live · 2m ago
Route confirmed Southwest Airlines

WN4553 BaltimoreBWI · 20:35 IslipISP

WN4553 by Southwest Airlines flies from Baltimore (BWI) to Islip (ISP).

Right nowNext departure today Operates daily
21:25

scheduled from BWI

Typical gate push+27 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+40+80+120 min
11-07
+19 gate
10-30
+50 gate
10-29
+30 gate
10-28
+7 gate
10-27
+24 gate
10-26
+120 gate
10-25
+61 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 8 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
ISPIslipOn-time likelyISP delay board →
BWI→ISPevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Baltimore

Forecast

Sun 8 Nov, local date

High15°Clikely 14°C to 17°C
Low6°Clikely 4°C to 8°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Baltimore to Islip flights today

same route · Southwest Airlines
WN1031departs 10:35
WN2933departs 10:35
WN1100departs 10:40
WN2814departs 10:45
WN1021departs 11:00
WN1029departs 13:20

If WN4553 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Islip on the same day, with scheduled departure times in BWI local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN4553 actually runs

Pro Flight Search has tracked every published board update for WN4553 across the BWI and ISP boards: schedule changes, gate pushes and actual clocks. Usually departs ~22 min late. Based on 8 confirmed departures · 1/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4553 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-07BWI 20:35 20:54 (+19)ISP
10-30BWI 22:25 23:15 (+50)ISP
10-29BWI 22:25 22:55 (+30)ISP
10-28BWI 21:25 21:32 (+7)ISP
10-27BWI 21:25 21:49 (+24)ISP
10-26BWI 22:25 00:25 (+120)ISP
10-25BWI 22:25 23:26 (+61)ISP
10-24BWI 20:35 20:54 (+19)ISP

Aircraft

Recent tails: N8822Q, N9032R, N8514F, N8318F.

Board clocks recorded as BWI and ISP published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN4553 Baltimore to Islip on-time performance, measured from the BWI and ISP airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4553
How we measure this →