Route · RDU → MDW · 2020–2025 BTS data
Raleigh/Durham to Chicago
The RDU–MDW corridor (Raleigh/Durham, NC → Chicago, IL) runs ahead of the national average, served by 3 carriers across roughly 632 miles.
Data updated 2026-06-13
- 83.9%
- On-time
- +4.9 pts
- vs US avg
- 62 min
- Delay when late
- 5,918
- Flights
Cancelled
1.1%
Best Month
Nov 2025 94%
Worst Month
Jul 2024 65%
Distance
632 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 89 | 16 | 0 | 0 | WN |
| Nov 2025 | 85 | 5 | 3 | 0 | WN |
| Oct 2025 | 80 | 18 | 0 | 0 | WN |
| Sep 2025 | 90 | 10 | 0 | 0 | WN |
| Aug 2025 | 94 | 17 | 2 | 0 | WN |
| Jul 2025 | 119 | 31 | 3 | 2 | WN |
| Jun 2025 | 112 | 20 | 1 | 1 | WN |
| May 2025 | 82 | 14 | 0 | 0 | WN |
| Apr 2025 | 77 | 15 | 0 | 0 | WN |
| Mar 2025 | 62 | 6 | 2 | 0 | WN |
| Feb 2025 | 56 | 8 | 0 | 0 | WN |
| Jan 2025 | 68 | 13 | 0 | 0 | WN |
| Dec 2024 | 91 | 19 | 0 | 0 | WN |
| Nov 2024 | 85 | 9 | 0 | 0 | WN |
| Oct 2024 | 80 | 9 | 0 | 0 | WN |
| Sep 2024 | 90 | 7 | 0 | 0 | WN,F9 |
| Aug 2024 | 105 | 26 | 0 | 0 | F9,WN |
| Jul 2024 | 133 | 47 | 0 | 1 | F9,WN |
| Jun 2024 | 122 | 27 | 1 | 1 | F9,WN |
| May 2024 | 94 | 18 | 0 | 1 | F9,WN |
| Apr 2024 | 86 | 24 | 0 | 1 | F9,WN |
| Mar 2024 | 79 | 20 | 0 | 0 | WN |
| Feb 2024 | 79 | 9 | 0 | 0 | WN |
| Jan 2024 | 86 | 10 | 12 | 1 | WN |
Cancellation Rate
1.1%
24 of 2,144 flights
Diversion Rate
0.4%
8 of 2,144 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 →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See RDU and MDW 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–MDW.
Routes with a similar on-time rate
What the Data Says About RDU to MDW
Bureau of Transportation Statistics records show Raleigh/Durham to Chicago (RDU to MDW) running a 83.9% on-time rate over 5,918 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 62.4 minutes. The 632-mile corridor is served by 3 carriers, and over the last 24 months 1.1% of 2,144 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 94% on-time, while Jul 2024 came in at just 65% - a 30-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.