WN4510Southwest Airlines · BWI → SJU
updated 3h ago
Route confirmed Southwest Airlines

WN4510 BaltimoreBWI San JuanSJU

WN4510 by Southwest Airlines flies from Baltimore (BWI) to San Juan (SJU).

Right nowNext departure today Operates daily
16:20

scheduled from BWI

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
SJUSan JuanHigh riskSJU delay board →
BWI→SJUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
0.4%Chance of cancellation
+27 minTypical airport delay in this weather

Conditions at BWI and SJU are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at BWI

Forecast

Sun 15 Nov, local date

High12°Clikely 11°C to 13°C
Low4°Clikely 2°C to 5°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.

Tomorrow at SJU

Forecast

Sun 15 Nov, local date

High33°Clikely 33°C to 34°C
Low27°Clikely 26°C to 28°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 San Juan flights today

same route · Southwest Airlines
WN1385departs 08:20
WN1962departs 08:20
WN941departs 11:05
WN2250departs 18:15

If WN4510 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to San Juan 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 WN4510 actually runs

Pro Flight Search has tracked every published board update for WN4510 across the BWI and SJU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 52.6/100. Based on airport operations, weather, and cached board history at BWI and SJU.

The verdict above is that record speaking, so it reflects how WN4510 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN4510? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: WN4510 Baltimore to San Juan on-time performance, measured from the BWI and SJU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4510
How we measure this →