Route · RDU → IAH · 2020–2025 BTS data
Raleigh/Durham to Houston
The RDU–IAH corridor (Raleigh/Durham, NC → Houston, TX) runs ahead of the national average, served by 16 carriers across roughly 1,042 miles.
Data updated 2026-06-13
- 83.8%
- On-time
- +4.8 pts
- vs US avg
- 85 min
- Delay when late
- 5,253
- Flights
Cancelled
1.5%
Best Month
Feb 2024 97%
Worst Month
Jul 2025 58%
Distance
1,042 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 77 | 14 | 0 | 0 | F9,UA |
| Nov 2025 | 79 | 19 | 3 | 0 | UA,F9 |
| Oct 2025 | 83 | 13 | 1 | 0 | UA,F9 |
| Sep 2025 | 74 | 5 | 0 | 0 | UA,F9 |
| Aug 2025 | 68 | 11 | 0 | 0 | F9,UA |
| Jul 2025 | 66 | 28 | 1 | 0 | UA,F9 |
| Jun 2025 | 70 | 24 | 2 | 0 | OO,UA,F9 |
| May 2025 | 71 | 12 | 2 | 0 | OO,UA,F9 |
| Apr 2025 | 56 | 5 | 0 | 0 | UA |
| Mar 2025 | 57 | 6 | 0 | 0 | UA |
| Feb 2025 | 55 | 12 | 0 | 0 | UA,F9 |
| Jan 2025 | 68 | 13 | 4 | 0 | UA,F9 |
| Dec 2024 | 73 | 18 | 0 | 0 | F9,UA |
| Nov 2024 | 73 | 11 | 0 | 0 | UA,F9 |
| Oct 2024 | 77 | 16 | 0 | 0 | UA,F9 |
| Sep 2024 | 74 | 21 | 0 | 0 | UA,F9 |
| Aug 2024 | 87 | 17 | 3 | 0 | F9,UA |
| Jul 2024 | 81 | 30 | 4 | 0 | F9,OO,UA |
| Jun 2024 | 77 | 22 | 0 | 2 | F9,UA |
| May 2024 | 77 | 31 | 4 | 3 | F9,UA |
| Apr 2024 | 72 | 13 | 0 | 0 | F9,UA |
| Mar 2024 | 57 | 6 | 0 | 2 | UA |
| Feb 2024 | 58 | 2 | 1 | 0 | UA |
| Jan 2024 | 62 | 11 | 0 | 0 | UA |
Cancellation Rate
1.5%
25 of 1,692 flights
Diversion Rate
0.4%
7 of 1,692 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See RDU 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 RDU–IAH.
Routes with a similar on-time rate
What the Data Says About RDU to IAH
Bureau of Transportation Statistics records show Raleigh/Durham to Houston (RDU to IAH) running a 83.8% on-time rate over 5,253 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 84.6 minutes. The 1,042-mile corridor is served by 16 carriers, and over the last 24 months 1.5% of 1,692 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 58% - a 39-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.