Route · MSY → IAH · 2020–2025 BTS data
New Orleans to Houston
The MSY–IAH corridor (New Orleans, LA → Houston, TX) runs ahead of the national average, served by 29 carriers across roughly 305 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 80 min
- Delay when late
- 18,136
- Flights
Cancelled
2.2%
Best Month
Feb 2024 95%
Worst Month
Jul 2024 66%
Distance
305 mi
Carriers
29
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 224 | 31 | 0 | 0 | NK,UA |
| Nov 2025 | 253 | 50 | 0 | 0 | UA,NK |
| Oct 2025 | 286 | 52 | 1 | 1 | UA,NK |
| Sep 2025 | 280 | 25 | 2 | 0 | UA,NK |
| Aug 2025 | 247 | 43 | 1 | 0 | NK,UA |
| Jul 2025 | 242 | 65 | 4 | 2 | NK,UA |
| Jun 2025 | 242 | 70 | 8 | 0 | UA,NK |
| May 2025 | 264 | 54 | 4 | 0 | NK,UA |
| Apr 2025 | 259 | 30 | 1 | 0 | NK,UA |
| Mar 2025 | 268 | 35 | 0 | 0 | OO,UA,NK |
| Feb 2025 | 249 | 32 | 1 | 0 | UA,NK |
| Jan 2025 | 259 | 32 | 26 | 0 | OO,UA,NK |
| Dec 2024 | 251 | 37 | 6 | 0 | NK,OO,UA |
| Nov 2024 | 258 | 30 | 0 | 0 | UA,NK |
| Oct 2024 | 278 | 25 | 0 | 0 | UA,NK |
| Sep 2024 | 271 | 26 | 14 | 0 | NK,OO,UA |
| Aug 2024 | 234 | 35 | 0 | 1 | NK,OO,UA |
| Jul 2024 | 194 | 66 | 22 | 0 | NK,OO,UA |
| Jun 2024 | 237 | 45 | 3 | 2 | NK,OO,UA |
| May 2024 | 257 | 68 | 10 | 1 | NK,OO,UA |
| Apr 2024 | 250 | 28 | 3 | 0 | NK,UA |
| Mar 2024 | 252 | 39 | 0 | 0 | NK,UA |
| Feb 2024 | 223 | 12 | 0 | 0 | NK,OO,UA |
| Jan 2024 | 208 | 40 | 27 | 0 | NK,OO,UA |
Cancellation Rate
2.2%
133 of 5,986 flights
Diversion Rate
0.1%
7 of 5,986 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MSY - New Orleans
Full on-time, delay-cause, and seasonal performance for New Orleans, LA.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See MSY 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 MSY–IAH.
Routes with a similar on-time rate
What the Data Says About MSY to IAH
Bureau of Transportation Statistics records show New Orleans to Houston (MSY to IAH) running a 84.4% on-time rate over 18,136 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 79.6 minutes. The 305-mile corridor is served by 29 carriers, and over the last 24 months 2.2% of 5,986 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 66% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.