Frontier AirlinesF9
Flights F91357 varies Mo Th Fr Su · F91283 varies daily · F91923 15:20 daily
live
Direct flights from Las Vegas (LAS) to Ontario (ONT): 14 nonstop departures observed each week across 2 airlines. The median arrival is 6 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 21 October 2026 at 14:36 UTC.
Today, LAS → ONT
Wed 21 Oct · local times- 06:45 WN3680Southwest Left 06:50 +5 ONT est. 07:44In the air · sched 07:50
- 09:20 F91283Frontier On scheduleT3 ONT est. 10:12sched 10:31
- 09:40 WN2362Southwest On scheduleT1 ·
- 15:20 F91923 On scheduleGate D25 · T3 ·
- 20:15 WN1554 On scheduleGate C24 · T1 ·
Checked LAS board 07:36 · ONT board 06:18
LAS
Las Vegas
smooth · +2
ONT
Ontario
smooth · +1
317 km · ~0h 54m est.
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100
route health from live LAS and ONT delay boards
Median arrival delay is −6 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−6 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 time06121824
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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather 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 →
next sweep in 120s
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
How we measure this →
https://proflightsearch.com/search-flights/LAS-ONT
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 06:45 and evening departures around 18:30 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 51 flights a week between them. Compare carrier days and times in the airline list above.
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