Route · IAH → RDU · 2020–2025 BTS data
Houston to Raleigh/Durham
The IAH–RDU corridor (Houston, TX → Raleigh/Durham, NC) runs ahead of the national average, served by 16 carriers across roughly 1,042 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 68 min
- Delay when late
- 5,245
- Flights
Cancelled
1.4%
Best Month
Sep 2025 93%
Worst Month
Jul 2024 58%
Distance
1,042 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 77 | 16 | 0 | 0 | F9,UA |
| Nov 2025 | 79 | 11 | 3 | 0 | UA,F9 |
| Oct 2025 | 83 | 9 | 0 | 0 | UA,F9 |
| Sep 2025 | 74 | 5 | 0 | 0 | UA,F9 |
| Aug 2025 | 68 | 10 | 0 | 0 | F9,UA |
| Jul 2025 | 66 | 25 | 0 | 0 | UA,F9 |
| Jun 2025 | 70 | 25 | 1 | 0 | OO,UA,F9 |
| May 2025 | 71 | 18 | 2 | 0 | OO,UA,F9 |
| Apr 2025 | 56 | 10 | 0 | 0 | UA |
| Mar 2025 | 57 | 7 | 0 | 0 | UA |
| Feb 2025 | 55 | 7 | 0 | 0 | UA,F9 |
| Jan 2025 | 67 | 9 | 2 | 0 | UA,F9 |
| Dec 2024 | 71 | 16 | 0 | 0 | F9,UA |
| Nov 2024 | 73 | 15 | 0 | 0 | UA,F9 |
| Oct 2024 | 77 | 14 | 0 | 0 | UA,F9 |
| Sep 2024 | 74 | 13 | 2 | 0 | UA,F9 |
| Aug 2024 | 86 | 28 | 2 | 0 | F9,UA |
| Jul 2024 | 81 | 34 | 7 | 0 | F9,OO,UA |
| Jun 2024 | 77 | 26 | 1 | 1 | F9,UA |
| May 2024 | 77 | 32 | 3 | 0 | F9,UA |
| Apr 2024 | 72 | 21 | 0 | 0 | F9,UA |
| Mar 2024 | 57 | 15 | 0 | 0 | UA |
| Feb 2024 | 58 | 5 | 0 | 0 | UA |
| Jan 2024 | 62 | 18 | 0 | 0 | UA |
Cancellation Rate
1.4%
23 of 1,688 flights
Diversion Rate
0.1%
1 of 1,688 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 →RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
Destination airport →Compare the two airports
See IAH and RDU 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–RDU.
Routes with a similar on-time rate
What the Data Says About IAH to RDU
5,245 tracked flights put the IAH to RDU pairing (Houston to Raleigh/Durham) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 67.5 minutes on average. Across the 1,042-mile route and its 16 carriers, the trailing 24 months show 1.4% cancelled and 0.1% diverted (1,688 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 58% - a 35-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.