Route · DEN → MDW · 2020–2025 BTS data
Denver to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to MDW (Denver to Chicago) ranks #450 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.2%
- On-time
- -2.8 pts
- vs US avg
- 57 min
- Delay when late
- 17,568
- Flights
- #450 of 4927
- Corpus placement
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 |
DEN–MDW seasonal on-time pattern
Best: November (82.1%) · weakest: June (67.4%)
Strongest calendar month
November
82.1% on-time · ~230 flights/mo
Busiest calendar month
July
~294 flights/mo avg
Weakest calendar month
June
67.4% on-time · ~267 flights/mo
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.
DEN on-time profileMDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profileCompare the two airports
See DEN and MDW side by side on delays, cancellations, and reliability.
Compare DEN vs MDWOrigin-hub reliability standing
Mid-pack among DEN departures
From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Chicago · fleet on-time rank #4264 of 4927.
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.
On the multi-year calendar, DEN–MDW peaks in November at 82.1% on-time while July carries the heaviest traffic (~294 flights per month) ; the softest month is June at 67.4%, a 14.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to MDW rank among US routes by traffic? ▼
How often are flights delayed from DEN to MDW? ▼
What is the cancellation rate for DEN to MDW? ▼
How far is the flight from DEN to MDW? ▼
When is the best time to fly from DEN to MDW? ▼
Airports on this route
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.
Using DEN–MDW data
DEN–MDW is mid-pack at 76.2% on-time; month and carrier mix move more than the corridor headline.
- Compare DEN and MDW airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, November (82.1% on-time) beats June (67.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.2% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.