Route · LAS → IAH · 2020–2025 BTS data
Las Vegas to Houston
The LAS–IAH corridor (Las Vegas, NV → Houston, TX) runs ahead of the national average, served by 14 carriers across roughly 1,222 miles.
Data updated 2026-06-13
- 82.2%
- On-time
- +3.2 pts
- vs US avg
- 73 min
- Delay when late
- 21,832
- Flights
Cancelled
1.2%
Best Month
Dec 2025 92%
Worst Month
Jul 2024 69%
Distance
1,222 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 309 | 26 | 0 | 0 | F9,NK,UA |
| Nov 2025 | 312 | 58 | 0 | 0 | UA,F9,NK |
| Oct 2025 | 292 | 34 | 0 | 3 | UA,F9,NK |
| Sep 2025 | 255 | 37 | 0 | 0 | UA,NK,F9 |
| Aug 2025 | 285 | 60 | 4 | 1 | F9,NK,UA |
| Jul 2025 | 287 | 60 | 6 | 3 | NK,UA,F9 |
| Jun 2025 | 289 | 77 | 5 | 3 | UA,F9,NK |
| May 2025 | 315 | 63 | 5 | 0 | NK,UA,F9 |
| Apr 2025 | 317 | 40 | 0 | 1 | F9,NK,UA |
| Mar 2025 | 336 | 42 | 0 | 1 | UA,NK,F9 |
| Feb 2025 | 298 | 39 | 0 | 0 | UA,F9,NK |
| Jan 2025 | 312 | 38 | 13 | 1 | UA,F9,NK |
| Dec 2024 | 330 | 52 | 0 | 2 | F9,NK,UA |
| Nov 2024 | 365 | 41 | 0 | 0 | UA,NK,F9 |
| Oct 2024 | 387 | 42 | 0 | 2 | UA,NK,F9 |
| Sep 2024 | 331 | 57 | 1 | 0 | NK,UA,F9 |
| Aug 2024 | 321 | 75 | 1 | 0 | F9,NK,WN,UA |
| Jul 2024 | 363 | 111 | 26 | 5 | F9,NK,UA,WN |
| Jun 2024 | 359 | 86 | 4 | 1 | F9,NK,UA,WN |
| May 2024 | 379 | 91 | 7 | 4 | F9,NK,UA,WN |
| Apr 2024 | 364 | 53 | 1 | 2 | F9,NK,UA,WN |
| Mar 2024 | 388 | 89 | 1 | 3 | F9,NK,UA,WN |
| Feb 2024 | 306 | 32 | 1 | 0 | F9,NK,UA,WN |
| Jan 2024 | 332 | 63 | 19 | 2 | F9,NK,WN,UA |
Cancellation Rate
1.2%
94 of 7,832 flights
Diversion Rate
0.4%
34 of 7,832 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See LAS and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAS–IAH.
Routes with a similar on-time rate
What the Data Says About LAS to IAH
Bureau of Transportation Statistics records show Las Vegas to Houston (LAS to IAH) running a 82.2% on-time rate over 21,832 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.6 minutes. The 1,222-mile corridor is served by 14 carriers, and over the last 24 months 1.2% of 7,832 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Dec 2025 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 69% - a 22-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.