WN4908Southwest Airlines · ONT → LAS
live · 11m ago
Route confirmed Southwest Airlines

WN4908 OntarioONT · 21:30 Las VegasLAS · 22:40

WN4908 by Southwest Airlines flies from Ontario (ONT) to Las Vegas (LAS).

Right nowNext departure tomorrow Operates daily
13:10

scheduled from ONT

The route today

live boards
ONTOntarioOn-time likelyONT delay board →
LASLas VegasOn-time likelyLAS delay board →
ONT→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
0.4%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at ONT and LAS 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

Wed 4 Nov, local date

High22°Clikely 21°C to 24°C
Low12°Clikely 11°C to 14°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 Las Vegas

Forecast

Wed 4 Nov, local date

High21°Clikely 19°C to 22°C
Low11°Clikely 10°C to 13°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 Las Vegas flights today

same route · Southwest Airlines
WN2371departs 05:30
WN2184departs 05:35
WN2192departs 05:40
WN3267departs 05:40
WN3300departs 06:30
WN197departs 07:00

If WN4908 is cancelled, these are the other Southwest Airlines nonstop flights from Ontario to Las Vegas 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 WN4908 actually runs

Pro Flight Search has tracked every published board update for WN4908 across the ONT and LAS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +8 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4908 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 21:30 21:38 (+8)LAS 22:40 22:37 (−3)
10-29ONT 21:30 21:39 (+9)LAS 22:40 01:30 (+170)

Aircraft

Recent tails: N1801U, N8766T.

Board clocks recorded as ONT and LAS published them.

Planning around WN4908? 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: WN4908 Ontario to Las Vegas on-time performance, measured from the ONT and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4908
How we measure this →