Route · DEN → MDW · 2020–2025 BTS data
Denver to Chicago
The DEN–MDW corridor (Denver, CO → Chicago, IL) runs behind the national average, served by 3 carriers across roughly 895 miles.
Data updated 2026-06-13
- 76.2%
- On-time
- -2.8 pts
- vs US avg
- 57 min
- Delay when late
- 17,568
- Flights
Cancelled
1.5%
Best Month
Dec 2024 87%
Worst Month
Jun 2025 58%
Distance
895 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 195 | 55 | 2 | 1 | WN,F9 |
| Nov 2025 | 187 | 26 | 13 | 2 | F9,WN |
| Oct 2025 | 214 | 35 | 0 | 0 | WN,F9 |
| Sep 2025 | 203 | 43 | 0 | 0 | WN,F9 |
| Aug 2025 | 224 | 77 | 1 | 1 | WN,F9 |
| Jul 2025 | 299 | 99 | 8 | 5 | WN,F9 |
| Jun 2025 | 274 | 114 | 2 | 0 | WN,F9 |
| May 2025 | 187 | 64 | 1 | 0 | WN,F9 |
| Apr 2025 | 193 | 40 | 5 | 0 | F9,WN |
| Mar 2025 | 213 | 34 | 2 | 1 | WN,F9 |
| Feb 2025 | 192 | 41 | 3 | 0 | WN,F9 |
| Jan 2025 | 214 | 46 | 0 | 0 | WN,F9 |
| Dec 2024 | 245 | 31 | 0 | 0 | F9,WN |
| Nov 2024 | 240 | 41 | 4 | 0 | WN,F9 |
| Oct 2024 | 270 | 41 | 1 | 1 | WN,F9 |
| Sep 2024 | 265 | 37 | 0 | 1 | WN,F9 |
| Aug 2024 | 285 | 74 | 2 | 1 | F9,WN |
| Jul 2024 | 350 | 93 | 4 | 4 | F9,WN |
| Jun 2024 | 338 | 109 | 3 | 0 | F9,WN |
| May 2024 | 286 | 93 | 5 | 0 | F9,WN |
| Apr 2024 | 276 | 67 | 4 | 0 | F9,WN |
| Mar 2024 | 274 | 65 | 7 | 2 | F9,WN |
| Feb 2024 | 212 | 49 | 2 | 2 | F9,WN |
| Jan 2024 | 245 | 81 | 19 | 0 | F9,WN |
Cancellation Rate
1.5%
88 of 5,881 flights
Diversion Rate
0.4%
21 of 5,881 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See DEN 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 DEN–MDW.
Routes with a similar on-time rate
What the Data Says About DEN to MDW
The Denver to Chicago corridor (DEN to MDW) posts a 76.2% on-time rate on the lower edge of the average band, based on 17,568 tracked flights. Late flights run 57.1 minutes behind on average. 3 carriers cover the 895-mile route; over the last 24 months, 88 of 5,881 flights were cancelled (1.5%) and 0.4% diverted.
The monthly split is wide on this route: Dec 2024 posted the strongest performance at 87% on-time, while Jun 2025 came in at just 58% - a 29-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.