Route · IAD → RDU · 2020–2025 BTS data
Washington to Raleigh/Durham
The IAD–RDU corridor (Washington, DC → Raleigh/Durham, NC) runs ahead of the national average, served by 10 carriers across roughly 224 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 71 min
- Delay when late
- 6,042
- Flights
Cancelled
1.1%
Best Month
Feb 2024 99%
Worst Month
Sep 2024 72%
Distance
224 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 120 | 28 | 0 | 0 | YX,UA |
| Nov 2025 | 118 | 20 | 1 | 0 | UA,YX |
| Oct 2025 | 119 | 17 | 0 | 1 | UA,YX |
| Sep 2025 | 140 | 17 | 1 | 0 | UA,YX |
| Aug 2025 | 107 | 14 | 1 | 0 | YX,UA |
| Jul 2025 | 79 | 12 | 4 | 0 | UA,YX |
| Jun 2025 | 127 | 35 | 3 | 0 | UA,YX |
| May 2025 | 143 | 40 | 2 | 2 | UA,YX |
| Apr 2025 | 89 | 11 | 0 | 0 | UA,YX |
| Mar 2025 | 72 | 6 | 0 | 0 | YX,UA |
| Feb 2025 | 42 | 8 | 0 | 0 | UA,YX |
| Jan 2025 | 69 | 9 | 4 | 0 | YX,UA |
| Dec 2024 | 88 | 10 | 0 | 0 | UA,YX |
| Nov 2024 | 114 | 9 | 0 | 0 | YX,UA |
| Oct 2024 | 72 | 4 | 0 | 0 | UA,YX |
| Sep 2024 | 60 | 17 | 0 | 1 | YX,UA |
| Aug 2024 | 62 | 16 | 1 | 0 | YX,UA |
| Jul 2024 | 66 | 10 | 5 | 0 | UA,YX |
| Jun 2024 | 53 | 12 | 0 | 0 | UA |
| May 2024 | 74 | 13 | 0 | 1 | UA |
| Apr 2024 | 69 | 8 | 0 | 0 | UA |
| Mar 2024 | 89 | 7 | 0 | 0 | YX,UA |
| Feb 2024 | 74 | 1 | 1 | 0 | UA,YX |
| Jan 2024 | 38 | 11 | 0 | 0 | YX,UA |
Cancellation Rate
1.1%
23 of 2,084 flights
Diversion Rate
0.2%
5 of 2,084 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
Destination airport →Compare the two airports
See IAD 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 IAD–RDU.
Routes with a similar on-time rate
What the Data Says About IAD to RDU
Bureau of Transportation Statistics records show Washington to Raleigh/Durham (IAD to RDU) running a 84.4% on-time rate over 6,042 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 70.5 minutes. The 224-mile corridor is served by 10 carriers, and over the last 24 months 1.1% of 2,084 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 99% on-time, while Sep 2024 came in at just 72% - a 27-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.