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 19 minutes early. No cancellations were recorded across the 2 tracked flights. 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 27 October 2026 at 20:22 UTC.

Today, LAS → ONT

Tue 27 Oct · local times
WN187740 min late

The LAS board at 13:22 shows departure at 19:10 instead of 18:30, gate C12 (T1).

Later cancelled
0.5%of 16,145 past WN flights whose board showed 40 to 70 min late
Still to leave today
WN1554 20:15WN
Track WN1877 →
  1. 06:45 WN3680Southwest Left 06:54 +9 Landed 07:30 −20
  2. 08:35 F91357Frontier Left 08:35 Landed 09:21 −19
  3. 09:40 WN2362Southwest Est. 10:02Departure not confirmed by the board ONT 10:45scheduled
  4. 14:35 WN2871 On scheduleGate B23 · T1 ·
  5. 15:13 F91923 On scheduleGate E9 · T3 ·
  6. 18:30 WN1877 Est. 19:10 +40Gate C12 · T1 ·
  7. 20:15 WN1554 On scheduleGate C23 · T1 ·

Checked LAS board 13:22 · ONT board 10:18

LAS Las Vegas smooth · +0
ONT Ontario smooth · +0
317 km · ~0h 54m est.
dep bank 06:00–22:5514x weekly
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100

route health from live LAS and ONT delay boards

Median arrival delay is −19 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−19 minacross the last 2 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 F91357 varies Mo Tu Th Fr Su · F91283 varies daily · F91923 15:20 daily

Southwest AirlinesWN

Flights WN3680 06:45 Tu We · WN2361 varies Sa Su · WN276 09:15 Mo Th Fr · WN3263 11:05 Su

History

operated legs · board outcomes
10-27F91357dep +0 → arr−19
10-27WN3680dep +9 → 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 · E 5 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 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 52 flights a week between them. Compare carrier days and times in the airline list above.