WN3281Southwest Airlines · ONT → SJC
updated 1h ago
Route confirmed Southwest Airlines

WN3281 OntarioONT · 15:55 San JoseSJC · 17:05

WN3281 by Southwest Airlines flies from Ontario (ONT) to San Jose (SJC).

Right nowNext departure today Operates daily
07:55

scheduled from ONT

Typical gate push+17 minmedian posted departure
Typical arrival−1 minmedian over 6 operations
Wins back in air~18 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+37+73+110 min
11-05
+2 gate · −18 arrival
10-30
+110 gate · +88 arrival
10-29
+2 gate · −18 arrival
10-26
+5 gate · −14 arrival
10-23
+28 gate · +12 arrival
10-22
+76 gate · +58 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 · 6 operations tracked

The route today

live boards
ONTOntarioOn-time likelyONT delay board →
SJCSan JoseHigh riskSJC delay board →
ONT→SJCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
45%Chance of 15+ min delay
0.5%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at ONT and SJC 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 Ontario

Forecast

Fri 6 Nov, local date

High27°Clikely 25°C to 28°C
Low13°Clikely 12°C to 15°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 San Jose

Forecast

Fri 6 Nov, local date

High24°Clikely 22°C to 25°C
Low11°Clikely 9°C to 12°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 Ontario to San Jose flights today

same route · Southwest Airlines
WN3320departs 05:55
WN1182departs 06:00
WN3780departs 09:45
WN3321departs 10:25
WN3280departs 11:00
WN2843departs 11:25

If WN3281 is cancelled, these are the other Southwest Airlines nonstop flights from Ontario to San Jose on the same day, with scheduled departure times in ONT 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 WN3281 actually runs

Pro Flight Search has tracked every published board update for WN3281 across the ONT and SJC boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min late. Based on 6 confirmed landings · 3/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3281 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
11-05ONT 15:55 15:57 (+2)SJC 17:05 16:47 (−18)
10-30ONT 15:55 17:45 (+110)SJC 17:05 18:33 (+88)
10-29ONT 15:55 15:57 (+2)SJC 17:05 16:47 (−18)
10-26ONT 15:55 16:00 (+5)SJC 17:05 16:51 (−14)
10-23ONT 15:55 16:23 (+28)SJC 17:05 17:17 (+12)
10-22ONT 15:55 17:11 (+76)SJC 17:05 18:03 (+58)

Aircraft

Recent tails: N232WN, N225WN, N456WN, N906WN.

Board clocks recorded as ONT and SJC 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: WN3281 Ontario to San Jose on-time performance, measured from the ONT and SJC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3281
How we measure this →