ONT → LASOntario to Las Vegas

live

Direct flights from Ontario (ONT) to Las Vegas (LAS): 14 nonstop departures observed each week across 2 airlines. The median arrival is 19 minutes late. 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 Ontario and Las Vegas. Updated 19 October 2026 at 04:05 UTC.

Today, ONT → LAS

Sun 18 Oct · local times
WN1254SouthwestIn the air, 33 min late

Left ONT at 10:33, 33 min after its 10:00 slot.

Landing
11:24LAS board estimate · sched 11:05
Track WN1254 →
  1. 10:00 WN1254Southwest Left 10:33 +33 LAS est. 11:24 +19In the air · sched 11:05
  2. 13:38 F92232Frontier Est. 13:38Departure not confirmed by the board LAS est. 16:07 +79sched 14:48
  3. 13:50 WN3278Southwest Est. 13:50Departure not confirmed by the board LAS est. 16:53 +123sched 14:50
  4. 15:38 F94758Frontier Est. 17:16Departure not confirmed by the board LAS est. 17:50 +59sched 16:51
  5. 17:20 WN2342Southwest Est. 18:16Departure not confirmed by the board LAS est. 20:09 +104sched 18:25
  6. 19:00 1I140NetJets Aviation Est. 19:00Departure not confirmed by the board ·
  7. 19:15 WN3239Southwest Sched 19:15Departure not confirmed by the board LAS est. 22:40 +145sched 20:15
  8. · F94206 On schedule LAS est. 21:17sched 21:43

Checked ONT board 15:18 · LAS board 21:05

ONT Ontario busy · +19
LAS Las Vegas busy · +22
317 km · ~0h 54m est.
dep bank 05:30–21:3014x weekly
Running clean · 2 airlines · 14x weekly · nonstop
72 / 100

route health from live ONT and LAS delay boards

Median arrival delay is +19 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+19 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 F92232 varies daily · F94758 varies Mo Tu We Th Fr Su · F94206 varies daily

Southwest AirlinesWN

Flights WN2371 05:30 Mo Th Fr · WN3267 varies Tu We Sa Su · WN1648 08:25 Tu We · WN442 08:40 Mo Th Fr

History

operated legs · board outcomes
10-18WN1254dep +33 → arr+19

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
ONTOntario +19 min busy 🌤 scattered clouds · WSW 10 kt Full ONT delay board →
LASLas Vegas +22 min busy 🌤 scattered clouds · ENE 5 kt Full LAS delay board →

Weather lens

Current conditions put the pressure at ONT and LAS: 44% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Ontario to Las Vegas route actually runs

Pro Flight Search records official board updates for nonstop ONT to LAS 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 — Ontario (ONT) to Las Vegas (LAS) route reliability, measured from operated flights on official airport boards.

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

ONT to LAS questions

Is ONT–LAS running on time right now?

Mostly on schedule. The arrival side at LAS is the weaker end, route health score 72/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ONT–LAS?

Operators schedule morning departures around 05:30 and evening departures around 17:15 from ONT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LAS delay card to confirm conditions when you'd arrive.

How long is the flight from ONT to LAS?

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 ONT–LAS fly?

2 carriers operate this route, around 53 flights a week between them. Compare carrier days and times in the airline list above.