Route · IAH → MSY · 2020–2025 BTS data
Houston to New Orleans
The IAH–MSY corridor (Houston, TX → New Orleans, LA) runs ahead of the national average, served by 29 carriers across roughly 305 miles.
Data updated 2026-06-13
- 81.6%
- On-time
- +2.6 pts
- vs US avg
- 73 min
- Delay when late
- 18,111
- Flights
Cancelled
2.0%
Best Month
Oct 2024 94%
Worst Month
Jul 2024 55%
Distance
305 mi
Carriers
29
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 224 | 29 | 0 | 0 | NK,UA |
| Nov 2025 | 254 | 44 | 0 | 0 | UA,NK |
| Oct 2025 | 286 | 42 | 0 | 0 | UA,NK |
| Sep 2025 | 280 | 23 | 0 | 0 | UA,NK |
| Aug 2025 | 248 | 48 | 1 | 0 | NK,UA |
| Jul 2025 | 242 | 77 | 4 | 0 | NK,UA |
| Jun 2025 | 241 | 79 | 7 | 2 | UA,NK |
| May 2025 | 264 | 73 | 4 | 0 | NK,UA |
| Apr 2025 | 259 | 39 | 0 | 1 | NK,UA |
| Mar 2025 | 268 | 43 | 0 | 0 | OO,UA,NK |
| Feb 2025 | 247 | 47 | 1 | 0 | UA,NK |
| Jan 2025 | 258 | 30 | 24 | 0 | OO,UA,NK |
| Dec 2024 | 253 | 41 | 5 | 0 | NK,OO,UA |
| Nov 2024 | 257 | 28 | 0 | 0 | UA,NK |
| Oct 2024 | 279 | 17 | 0 | 0 | UA,NK |
| Sep 2024 | 272 | 40 | 14 | 0 | NK,OO,UA |
| Aug 2024 | 235 | 54 | 0 | 2 | NK,OO,UA |
| Jul 2024 | 193 | 86 | 21 | 2 | NK,UA |
| Jun 2024 | 237 | 69 | 2 | 0 | NK,OO,UA |
| May 2024 | 257 | 91 | 10 | 0 | NK,OO,UA |
| Apr 2024 | 249 | 61 | 1 | 1 | NK,UA |
| Mar 2024 | 252 | 57 | 0 | 0 | NK,UA |
| Feb 2024 | 224 | 21 | 0 | 0 | NK,OO,UA |
| Jan 2024 | 208 | 46 | 23 | 0 | NK,OO,UA |
Cancellation Rate
2.0%
117 of 5,987 flights
Diversion Rate
0.1%
8 of 5,987 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 →MSY - New Orleans
Full on-time, delay-cause, and seasonal performance for New Orleans, LA.
Destination airport →Compare the two airports
See IAH and MSY 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–MSY.
Routes with a similar on-time rate
What the Data Says About IAH to MSY
18,111 tracked flights put the IAH to MSY pairing (Houston to New Orleans) at a 81.6% on-time rate, squarely in line with the wider network. Delays that do occur run 72.9 minutes on average. Across the 305-mile route and its 29 carriers, the trailing 24 months show 2.0% cancelled and 0.1% diverted (5,987 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Jul 2024 came in at just 55% - a 39-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from IAH to MSY? ▼
What is the cancellation rate for IAH to MSY? ▼
How far is the flight from IAH to MSY? ▼
When is the best time to fly from IAH to MSY? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.