WN4817 BaltimoreBWI · 20:30 San DiegoSAN · 22:50
WN4817 by Southwest Airlines flies from Baltimore (BWI) to San Diego (SAN) for the Fri, Sep 18 departure.
arrival expected at SAN · 6 min late
board checked 36m ago · checking again in 45s
Where the minutes go
last 6 operations · gate push → arrivalThe 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 operationmedian arrival +4 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at BWI and SAN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Baltimore to San Diego flights today
same route · Southwest AirlinesIf WN4817 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to San Diego on the same day, with scheduled departure times in BWI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4817 actually runs
Pro Flight Search has tracked every published board update for WN4817 across the BWI and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min early. Based on 2 confirmed landings · 2/2 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN4817 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N8328A, N7713A, N929WN, N8815L.
Board clocks recorded as BWI and SAN published them.
Planning around WN4817? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN4817 Baltimore to San Diego on-time performance, measured from the BWI and SAN airport boards.
https://proflightsearch.com/flight/WN4817
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