Route · IAH → LAS · 2020–2025 BTS data
Houston to Las Vegas
The IAH–LAS corridor (Houston, TX → Las Vegas, NV) runs ahead of the national average, served by 14 carriers across roughly 1,222 miles.
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 74 min
- Delay when late
- 21,825
- Flights
Cancelled
1.1%
Best Month
Dec 2025 90%
Worst Month
Jul 2024 60%
Distance
1,222 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 307 | 30 | 0 | 0 | F9,NK,UA |
| Nov 2025 | 311 | 64 | 0 | 0 | UA,F9,NK |
| Oct 2025 | 292 | 49 | 0 | 1 | UA,F9,NK |
| Sep 2025 | 255 | 43 | 0 | 1 | UA,NK,F9 |
| Aug 2025 | 286 | 59 | 3 | 0 | F9,NK,UA |
| Jul 2025 | 291 | 71 | 2 | 0 | NK,UA,F9 |
| Jun 2025 | 289 | 86 | 4 | 4 | UA,F9,NK |
| May 2025 | 315 | 79 | 4 | 0 | NK,UA,F9 |
| Apr 2025 | 318 | 49 | 0 | 0 | F9,NK,UA |
| Mar 2025 | 336 | 58 | 3 | 0 | UA,NK,F9 |
| Feb 2025 | 296 | 29 | 0 | 0 | UA,F9,NK |
| Jan 2025 | 312 | 66 | 13 | 1 | UA,F9,NK |
| Dec 2024 | 330 | 66 | 1 | 0 | F9,NK,UA |
| Nov 2024 | 365 | 53 | 0 | 0 | UA,NK,F9 |
| Oct 2024 | 387 | 49 | 0 | 2 | UA,NK,F9 |
| Sep 2024 | 327 | 67 | 1 | 0 | NK,UA,F9 |
| Aug 2024 | 321 | 68 | 2 | 0 | F9,NK,WN,UA |
| Jul 2024 | 363 | 147 | 25 | 0 | F9,NK,UA,WN |
| Jun 2024 | 359 | 102 | 4 | 0 | F9,NK,UA,WN |
| May 2024 | 379 | 128 | 6 | 0 | F9,NK,UA,WN |
| Apr 2024 | 361 | 80 | 1 | 0 | F9,NK,UA,WN |
| Mar 2024 | 375 | 91 | 0 | 1 | F9,NK,UA,WN |
| Feb 2024 | 310 | 57 | 0 | 1 | F9,NK,UA,WN |
| Jan 2024 | 330 | 69 | 18 | 0 | F9,NK,WN,UA |
Cancellation Rate
1.1%
87 of 7,815 flights
Diversion Rate
0.1%
11 of 7,815 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
Destination airport →Compare the two airports
See IAH and LAS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–LAS.
Routes with a similar on-time rate
What the Data Says About IAH to LAS
21,825 tracked flights put the IAH to LAS pairing (Houston to Las Vegas) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 73.6 minutes on average. Across the 1,222-mile route and its 14 carriers, the trailing 24 months show 1.1% cancelled and 0.1% diverted (7,815 flights sampled).
The monthly split is wide on this route: Dec 2025 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 60% - a 31-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.