WN3300Southwest Airlines · ONT → DEN
live · 18m ago
Route confirmed Southwest Airlines

WN3300 OntarioONT · 20:20 DenverDEN · 21:40

WN3300 by Southwest Airlines flies from Ontario (ONT) to Denver (DEN).

Same number through ONT → LAS → DEN

Right nowNext departure tomorrow Operates daily
08:22

scheduled from ONT

The route today

live boards
ONTOntarioOn-time likelyONT delay board →
DENDenverHigh riskDEN delay board →
ONT→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
0.3%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at ONT and DEN 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

Thu 12 Nov, local date

High26°Clikely 23°C to 27°C
Low15°Clikely 13°C to 16°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 OAK

Forecast

Thu 12 Nov, local date

High20°Clikely 18°C to 22°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 Denver flights today

same route · Southwest Airlines
WN3311departs 05:45
WN3779departs 06:50
WN3491departs 10:25
WN4002departs 12:50
WN344departs 13:35
WN2919departs 15:30

If WN3300 is cancelled, these are the other Southwest Airlines nonstop flights from Ontario to Denver 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 WN3300 actually runs

Pro Flight Search has tracked every published board update for WN3300 across the ONT and DEN boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +17 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3300 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
10-30ONT 20:20 20:53 (+33)DEN
10-29ONT 20:20 20:50 (+30)DEN

Aircraft

Recent tails: N1776R, N872CB.

Board clocks recorded as ONT and DEN published them.

Planning around WN3300? 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: WN3300 Ontario to Denver on-time performance, measured from the ONT and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3300
How we measure this →