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.
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What actually flies LAS–ONT
Filed traffic dataIn May 2026, Southwest Airlines operated the most departures, one of 7 carriers flying nonstop LAS–ONT; the Boeing 737 MAX 8 was the most common aircraft at 30% of departures; flights ran 68% full.
Departures
407
May 2026
Seats
72,866
both directions
Passengers
49,265
both directions
Load factor
67.6%
RPM ÷ ASM
Who flies LAS–ONT?
Southwest Airlines operated the most nonstop LAS–ONT departures in May 2026 (288), one of 7 carriers on the route.
- WN
288 departures · 46,600 seats
Share of departures70.8%69.7%
Load
- F9
112 departures · 25,234 seats
Share of departures27.5%63.6%
Load
- DL
2 departures · 144 seats
Share of departures0.5%84.0%
Load
- UA
2 departures · 379 seats
Share of departures0.5%56.5%
Load
- B6
1 departures · 159 seats
Share of departures0.2%96.9%
Load
- AS
1 departures · 178 seats
Share of departures0.2%45.5%
Load
- AA
1 departures · 172 seats
Share of departures0.2%95.9%
Load
What plane flies LAS–ONT?
In May 2026, the Boeing 737 MAX 8 flew 30% of LAS–ONT departures — more than any other aircraft type.
- Boeing 737 MAX 8
124 departures · 68.9% load
30.5% - Boeing 737-700
100 departures · 72.5% load
24.6% - Airbus A321neo
81 departures · 60.7% load
19.9% - Boeing 737-800
65 departures · 68.3% load
16.0% - Airbus A320neo
21 departures · 78.3% load
5.2% - Airbus A321
9 departures · 64.2% load
2.2% - Airbus A320
3 departures · 69.7% load
0.7% - Boeing 757-200
2 departures · 84.0% load
0.5% - Boeing 737 MAX 9
2 departures · 45.7% load
0.5%
How has LAS–ONT traffic changed?
Nonstop LAS–ONT departures fell from 427 in June 2025 to 407 in May 2026.
Monthly nonstop LAS–ONT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
407 departures · 49,265 passengers
67.6%
Load
By direction
Each direction is filed separately — they rarely match.
ONT → LAS
64.4% full
206 departures · 23,923 passengers
LAS → ONT
70.9% full
201 departures · 25,342 passengers
Nonstop LAS–ONT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
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 May 2026, the Boeing 737 MAX 8 flew the largest share of departures (30.5%), followed by the Boeing 737-700 (24.6%).
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.
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