Las Vegas (LAS) to Ontario (ONT)
Flight time
≈ 1h 12m
Bearing
225° SW
Las Vegas (LAS) to Ontario (ONT) is 197 miles (317 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies LAS–ONT
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop LAS–ONT; the Boeing 737 MAX 8 was the most common aircraft at 28% of departures; flights ran 58% full.
Departures
407
April 2026
Seats
72,895
both directions
Passengers
42,207
both directions
Load factor
57.9%
passengers ÷ seats
Who flies LAS–ONT?
Southwest Airlines operated the most nonstop LAS–ONT departures in April 2026 (286), one of 3 carriers on the route.
- WN
Southwest Airlines
286 departures · 46,288 seats
Share of departures70.3%62.2%
Load
- F9
Frontier Airlines
120 departures · 26,446 seats
Share of departures29.5%50.1%
Load
- AS
Alaska Airlines
1 departures · 161 seats
Share of departures0.2%91.9%
Load
What plane flies LAS–ONT?
In April 2026, the Boeing 737 MAX 8 flew 28% of LAS–ONT departures — more than any other aircraft type.
- Boeing 737 MAX 8
114 departures · 60.9% load
28.0% - Boeing 737-700
99 departures · 64.9% load
24.3% - Boeing 737-800
74 departures · 61.9% load
18.2% - Airbus A321neo
68 departures · 48.5% load
16.7% - Airbus A320neo
36 departures · 59.3% load
8.8% - Airbus A321
14 departures · 39.7% load
3.4% - Airbus A320
2 departures · 43.3% load
0.5%
How has LAS–ONT traffic changed?
Nonstop LAS–ONT departures fell from 446 in May 2025 to 407 in April 2026.
Monthly nonstop LAS–ONT traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
446 departures · 54,245 passengers
68.5%
Load
June 2025
427 departures · 50,452 passengers
67.1%
Load
July 2025
441 departures · 53,141 passengers
68.3%
Load
August 2025
406 departures · 48,493 passengers
67.6%
Load
September 2025
409 departures · 48,895 passengers
68.7%
Load
October 2025
458 departures · 51,135 passengers
67.2%
Load
November 2025
417 departures · 48,336 passengers
67.4%
Load
December 2025
412 departures · 47,972 passengers
69.2%
Load
January 2026
426 departures · 42,075 passengers
57.6%
Load
February 2026
385 departures · 41,763 passengers
61.4%
Load
March 2026
394 departures · 39,781 passengers
57.4%
Load
April 2026
407 departures · 42,207 passengers
57.9%
Load
By direction
The DOT files each direction separately — they rarely match.
ONT → LAS
58.7% full
205 departures · 21,868 passengers
LAS → ONT
57.1% full
202 departures · 20,339 passengers
Nonstop LAS–ONT traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Las Vegas (LAS) from Ontario (ONT)?
LAS to ONT is 197 miles (317 km / 171 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from LAS to ONT?
A nonstop covers the 197-mile great-circle distance in roughly 1h 12m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies LAS–ONT?
In April 2026, the Boeing 737 MAX 8 flew the largest share of departures (28.0%), followed by the Boeing 737-700 (24.3%).
What mileage do I earn flying LAS–ONT?
Distance-based programs credit off the 197-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Other routes from LAS
Popular long-haul routes