Houston (IAH) to Las Vegas (LAS)
Flight time
≈ 3h 14m
Bearing
295° NW
Houston (IAH) to Las Vegas (LAS) is 1,220 miles (1,963 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–LAS
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop IAH–LAS; the Boeing 737 MAX 9 was the most common aircraft at 24% of departures; flights ran 82% full.
Departures
522
July 2026
Seats
96,120
both directions
Passengers
78,960
both directions
Load factor
82.2%
RPM ÷ ASM
Who flies IAH–LAS?
United Airlines operated the most nonstop IAH–LAS departures in July 2026 (408), one of 3 carriers on the route.
- UA
408 departures · 71,472 seats
Share of departures78.2%81.7%
Load
- F9
114 departures · 24,648 seats
Share of departures21.8%83.4%
Load
- NK
0 departures · 0 seats
Share of departures0.0%—
Load
What plane flies IAH–LAS?
In July 2026, the Boeing 737 MAX 9 flew 24% of IAH–LAS departures — more than any other aircraft type.
- Boeing 737 MAX 9
123 departures · 82.1% load
23.6% - Boeing 737-900ER
110 departures · 79.4% load
21.1% - Boeing 737-800
86 departures · 84.7% load
16.5% - Airbus A321neo
58 departures · 80.3% load
11.1% - Boeing 737-900
55 departures · 77.5% load
10.5% - Airbus A320neo
40 departures · 87.4% load
7.7% - Boeing 737 MAX 8
34 departures · 88.0% load
6.5% - Airbus A321
12 departures · 88.4% load
2.3% - Airbus A320
4 departures · 80.2% load
0.8%
How has IAH–LAS traffic changed?
Nonstop IAH–LAS departures fell from 567 in August 2025 to 522 in July 2026.
Monthly nonstop IAH–LAS traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
567 departures · 83,335 passengers
79.6%
Load
September 2025
509 departures · 79,479 passengers
82.1%
Load
October 2025
584 departures · 89,535 passengers
83.1%
Load
November 2025
624 departures · 93,933 passengers
81.0%
Load
December 2025
618 departures · 89,391 passengers
81.0%
Load
January 2026
559 departures · 80,591 passengers
80.2%
Load
February 2026
575 departures · 86,084 passengers
83.9%
Load
March 2026
629 departures · 97,515 passengers
86.5%
Load
April 2026
580 departures · 85,730 passengers
79.7%
Load
May 2026
523 departures · 83,910 passengers
86.3%
Load
June 2026
513 departures · 80,690 passengers
83.6%
Load
July 2026
522 departures · 78,960 passengers
82.2%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → LAS
83.7% full
261 departures · 39,772 passengers
LAS → IAH
80.6% full
261 departures · 39,188 passengers
Nonstop IAH–LAS traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (IAH) from Las Vegas (LAS)?
IAH to LAS is 1,220 miles (1,963 km / 1,060 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to LAS?
A nonstop covers the 1,220-mile great-circle distance in roughly 3h 14m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–LAS?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (23.6%), followed by the Boeing 737-900ER (21.1%).
What mileage do I earn flying IAH–LAS?
Distance-based programs credit off the 1,220-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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