WN3801Southwest Airlines · SJC → BWI
live · 2m ago
Route confirmed Southwest Airlines

WN3801 San JoseSJC · 21:40 BaltimoreBWI · 05:45

WN3801 by Southwest Airlines flies from San Jose (SJC) to Baltimore (BWI).

Right nowNext departure tomorrow Operates daily
09:20

scheduled from SJC

⚖ WN3801 typically leaves +11 and lands −1. The air wins minutes back.
Typical gate push+11 minmedian posted departure
Typical arrival−1 minmedian over 9 operations
Wins back in air~12 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-29
+13 gate · +11 arrival
10-26
+9 gate · −13 arrival
10-25
+0 gate · +3 arrival
10-23
+7 gate · −16 arrival
10-22
+13 gate · +11 arrival
10-19
+20 gate · −3 arrival
10-18
+20 gate · −9 arrival

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

median arrival −1 min · 0 cancelled · 9 operations tracked

The route today

live boards
SJCSan JoseOn-time likelySJC delay board →
BWIBaltimoreOn-time likelyBWI delay board →
SJC→BWIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
0.8%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at SJC and BWI 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 on this route

Forecast

San Jose to Baltimore with Southwest Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
7.2%1.2× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · 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 San Jose to Baltimore flights today

same route · Southwest Airlines
WN3495departs 09:30
WN532departs 11:55

If WN3801 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Baltimore on the same day, with scheduled departure times in SJC 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 WN3801 actually runs

Pro Flight Search has tracked every published board update for WN3801 across the SJC and BWI boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 6/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3801 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
10-29SJC 21:40 21:53 (+13)BWI 05:45 05:56 (+11)
10-26SJC 21:40 21:49 (+9)BWI 05:45 05:32 (−13)
10-25SJC 21:40 (+0)BWI 05:45 05:48 (+3)
10-23SJC 21:40 21:47 (+7)BWI 05:45 05:29 (−16)
10-22SJC 21:40 21:53 (+13)BWI 05:45 05:56 (+11)
10-19SJC 21:40 22:00 (+20)BWI 05:45 05:42 (−3)
10-18SJC 21:40 22:00 (+20)BWI 05:45 05:36 (−9)
10-16SJC 21:40 21:48 (+8)BWI 05:45 05:44 (−1)
10-15SJC BWI 05:45 06:14 (+29)

Aircraft

Recent tails: N931WN, N920WN, N7752B, N900WN.

Board clocks recorded as SJC and BWI 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: WN3801 San Jose to Baltimore on-time performance, measured from the SJC and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3801
How we measure this →