LAS → ONTLas Vegas to Ontario

live

Direct flights from Las Vegas (LAS) to Ontario (ONT): 14 nonstop departures observed each week across 2 airlines. The median arrival is 20 minutes early. No cancellations were recorded across the 1 tracked flight. The nonstop covers 317 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Las Vegas and Ontario. Updated 1 September 2026 at 18:38 UTC.

LAS Las Vegas smooth · +0
ONT Ontario smooth · +0
317 km · ~0h 54m est.
dep bank 07:00–20:4514x weekly
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100

route health from live LAS and ONT delay boards

Median arrival delay is −20 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−20 minacross the last 1 operated legs
Flight time~0h 54mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Frontier AirlinesF9

Flights F91283 07:00 daily · F91357 14:45 daily · F92231 20:21 daily

Southwest AirlinesWN

Flights WN4725 07:50 daily · WN159 08:20 daily · WN278 08:50 daily · WN261 10:15 daily

History

operated legs · board outcomes
09-01WN4725dep −3 → arr−20

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
LASLas Vegas +0 min smooth 🌤 few clouds · S 8 kt Full LAS delay board →
ONTOntario +0 min smooth 🌤 clear · N 0 kt Full ONT delay board →

Weather lens

Current conditions put the pressure at LAS and ONT: 44% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Las Vegas to Ontario route actually runs

Pro Flight Search records official board updates for nonstop LAS to ONT flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · 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 — Las Vegas (LAS) to Ontario (ONT) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/LAS-ONT
How we measure this →

LAS to ONT questions

Is LAS–ONT running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on LAS–ONT?

Operators schedule morning departures around 07:00 and evening departures around 18:20 from LAS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ONT delay card to confirm conditions when you'd arrive.

How long is the flight from LAS to ONT?

Great-circle distance is 317 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 52–57 min gate-to-gate on this route.

How often does LAS–ONT fly?

2 carriers operate this route, around 105 flights a week between them. Compare carrier days and times in the airline list above.