Route · LGA → IAH · 2020–2025 BTS data
New York to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to IAH (New York to Houston) ranks #293 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 92 min
- Delay when late
- 21,492
- Flights
- #293 of 4927
- Corpus placement
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 |
LGA–IAH seasonal on-time pattern
Best: September (85.5%) · weakest: July (75.3%)
Strongest calendar month
September
85.5% on-time · ~307 flights/mo
Busiest calendar month
May
~320 flights/mo avg
Weakest calendar month
July
75.3% on-time · ~306 flights/mo
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.
LGA on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See LGA and IAH side by side on delays, cancellations, and reliability.
Compare LGA vs IAHOrigin-hub reliability standing
Mid-pack among LGA departures
From LGA, this corridor sits with 64 other 75–85% on-time routes out of 75 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 3 below 75%). Destination: Houston · fleet on-time rank #2354 of 4927.
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.
On the multi-year calendar, LGA–IAH peaks in September at 85.5% on-time while May carries the heaviest traffic (~320 flights per month) ; the softest month is July at 75.3%, a 10.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LGA to IAH rank among US routes by traffic? ▼
How often are flights delayed from LGA to IAH? ▼
What is the cancellation rate for LGA to IAH? ▼
How far is the flight from LGA to IAH? ▼
When is the best time to fly from LGA to IAH? ▼
Airports on this route
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.
Using LGA–IAH data
LGA–IAH runs 3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare LGA and IAH airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
- If your dates flex, September (85.5% on-time) beats July (75.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 82% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.