Route · LGA → IAH · 2020–2025 BTS data
New York to Houston
The LGA–IAH corridor (New York, NY → Houston, TX) runs ahead of the national average, served by 37 carriers across roughly 1,416 miles.
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 92 min
- Delay when late
- 21,492
- Flights
Cancelled
1.9%
Best Month
Oct 2024 92%
Worst Month
Jul 2024 66%
Distance
1,416 mi
Carriers
37
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 350 | 98 | 15 | 0 | DL,NK,UA |
| Nov 2025 | 353 | 86 | 4 | 0 | UA,DL,NK |
| Oct 2025 | 376 | 109 | 9 | 1 | DL,UA,NK |
| Sep 2025 | 369 | 51 | 0 | 1 | UA,DL,NK |
| Aug 2025 | 377 | 73 | 2 | 2 | NK,UA,DL |
| Jul 2025 | 380 | 113 | 12 | 2 | UA,DL,NK |
| Jun 2025 | 361 | 118 | 8 | 4 | UA,DL,NK |
| May 2025 | 369 | 93 | 3 | 3 | NK,UA,DL |
| Apr 2025 | 365 | 64 | 0 | 0 | DL,NK,UA |
| Mar 2025 | 323 | 50 | 2 | 2 | OO,UA,DL,NK |
| Feb 2025 | 304 | 65 | 3 | 0 | UA,DL,NK |
| Jan 2025 | 374 | 80 | 22 | 3 | OO,UA,DL,NK |
| Dec 2024 | 380 | 82 | 0 | 1 | DL,NK,OO,UA |
| Nov 2024 | 374 | 41 | 2 | 0 | OO,UA,NK,DL |
| Oct 2024 | 377 | 29 | 0 | 0 | UA,OO,DL,NK |
| Sep 2024 | 337 | 45 | 1 | 1 | OO,UA,DL,NK |
| Aug 2024 | 362 | 65 | 19 | 6 | DL,NK,OO,UA |
| Jul 2024 | 379 | 129 | 32 | 3 | DL,NK,OO,UA |
| Jun 2024 | 365 | 64 | 8 | 4 | DL,NK,OO,UA |
| May 2024 | 377 | 124 | 9 | 9 | DL,NK,OO,UA |
| Apr 2024 | 379 | 78 | 1 | 1 | DL,NK,OO,UA |
| Mar 2024 | 294 | 41 | 0 | 0 | DL,NK,OO,UA |
| Feb 2024 | 267 | 48 | 4 | 2 | DL,NK,OO,UA |
| Jan 2024 | 226 | 58 | 5 | 1 | DL,NK,UA |
Cancellation Rate
1.9%
161 of 8,418 flights
Diversion Rate
0.5%
46 of 8,418 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See LGA 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 LGA–IAH.
Routes with a similar on-time rate
What the Data Says About LGA to IAH
Bureau of Transportation Statistics records show New York to Houston (LGA to IAH) running a 82% on-time rate over 21,492 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 91.7 minutes. The 1,416-mile corridor is served by 37 carriers, and over the last 24 months 1.9% of 8,418 flights were cancelled, 0.5% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 66% - a 26-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.