Houston (IAH) – Las Vegas (LAS)
- Distance
- 1,966 km
- 1,222 mi · 1,062 nm
- Flight time
- 3 h 15 min / 3 h 1 min
- Average gate to gate: IAH → LAS / back
- Time difference
- 2 h
- CO2 per passenger
- 247 kg
- One way, economy, incl. RF (146 kg CO2 only)
- Passengers / year
- 1,028,809
- Aug 2025 – Jul 2026 · −8.5%
- Flights / week
- 131
- Both directions, average
- Seats filled
- 82%
- 1,248,037 seats a year
- Airlines nonstop
- 3
- UA, NK, F9
Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources
The way there
- Heading from IAH
- 295°
- Heading from LAS
- 104°
- Halfway point
- 33.43, -104.90
- Great-circle km
- 1,963 km (sphere, for EU261)
- In the air IAH → LAS
- 2 h 46 min
- In the air LAS → IAH
- 2 h 31 min
- Clocks
- Las Vegas is 2 h behind Houston
The estimate for a route without real times is 3 h 5 min; how it is worked out is on Sources.
Show as a table
| Month | Passengers |
|---|---|
| Aug 2025 | 83,335 |
| Sep 2025 | 79,479 |
| Oct 2025 | 89,535 |
| Nov 2025 | 93,933 |
| Dec 2025 | 89,047 |
| Jan 2026 | 80,591 |
| Feb 2026 | 86,084 |
| Mar 2026 | 97,515 |
| Apr 2026 | 85,730 |
| May 2026 | 83,910 |
| Jun 2026 | 80,690 |
| Jul 2026 | 78,960 |
Show as a table
| Month | Flights |
|---|---|
| Aug 2025 | 567 |
| Sep 2025 | 509 |
| Oct 2025 | 584 |
| Nov 2025 | 624 |
| Dec 2025 | 616 |
| Jan 2026 | 559 |
| Feb 2026 | 575 |
| Mar 2026 | 629 |
| Apr 2026 | 580 |
| May 2026 | 523 |
| Jun 2026 | 513 |
| Jul 2026 | 522 |
Airlines flying IAH–LAS nonstop
| Airline | Flights / week | Share of passengers |
|---|---|---|
| UAUnited Air Lines | 99 | 73% |
| NKSpirit Air Lines | 18 | 14% |
| F9Frontier Airlines | 14 | 13% |
Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources
Aircraft on this route
- Boeing B737 Max 900 · 1,521 flights
- Boeing 737-900ER · 1,180 flights
- Boeing 737-900 · 1,162 flights
- Boeing 737-800 · 860 flights
- Airbus Industrie A321-200n · 660 flights
- Airbus Industrie A320-100/200 · 471 flights
- Boeing B737 Max 800 · 441 flights
- Airbus Industrie A320-200n · 270 flights
Also carried: 57 tonnes of freight and 184 tonnes of mail a year (passenger and cargo flights).
Punctuality
- On time
- 83.2%
- Arrived within 15 min of schedule
- Average delay
- 13 min
- Late arrivals count, early ones as 0
- Cancelled
- 0.9%
- Flights counted
- 6,862
- Aug 2025 – Jul 2026
| Airline | On time | Average delay |
|---|---|---|
| UAUnited Air Lines | 85.1% | 11 min |
| NKSpirit Air Lines | 80.1% | 19 min |
| F9Frontier Airlines | 74.2% | 26 min |
Delay minutes by cause: airline 37% · aircraft arriving late 37% · air traffic system 24% · weather 2% · security 0%.
Both directions, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance (US domestic flights of the larger US airlines). Sources
What passengers paid
- Average fare, Q1 2026
- $259
- One way, all cabins
- Average over a year
- $235
- Q2 2025 – Q1 2026
- Largest airline
- United Air Lines
- 67% of passengers · $319
- Lowest-fare airline
- Spirit Air Lines
- 19% of passengers · $114
History, not a price to book: what the average passenger paid per one-way trip in each quarter (Q2 2025 $222 · Q3 2025 $220 · Q4 2025 $240 · Q1 2026 $259).
Fare outlook, Q1 2027: about $264, likely $234–$301
The average fare paid we expect a year after Q1 2026, the newest DOT quarter. On this route, past forecasts made this way fell inside the range 86% of the time over 21 quarters (median error 6.2%). An estimate from US DOT data: not a price you can book, not a guarantee, not advice on when to buy. How the outlook works
Cheapest quarter on this route: Q3, typically 4% below the year's average (9 years of DOT data, without 2020–21).
U.S. DOT Consumer Airfare Report, Table 1a (airline ticket sample, US domestic airport pairs). Sources
Delay compensation (EU261 / UK261)
Measured by great-circle distance: 1,963 km.
Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).
Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.
Every airport pair between Houston and Las Vegas
Kilometres. Linked numbers have a page of their own. All Houston airports