Route · MDW → COS · 2020–2025 BTS data
Chicago to Colorado Springs
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to COS (Chicago to Colorado Springs) ranks #3901 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.4%
- On-time
- +1.4 pts
- vs US avg
- 59 min
- Delay when late
- 1,867
- Flights
- #3901 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Jul 2025 74%
Worst Month
Jul 2023 45%
Distance
917 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 31 | 5 | 0 | 0 | WN |
| Sep 2025 | 30 | 4 | 0 | 0 | WN |
| Aug 2025 | 33 | 8 | 0 | 1 | WN |
| Jul 2025 | 54 | 14 | 0 | 0 | WN |
| Jun 2025 | 48 | 9 | 0 | 0 | WN |
| Dec 2024 | 31 | 5 | 0 | 0 | WN |
| Nov 2024 | 30 | 1 | 0 | 0 | WN |
| Oct 2024 | 31 | 2 | 0 | 0 | WN |
| Sep 2024 | 30 | 1 | 0 | 0 | WN |
| Aug 2024 | 33 | 7 | 0 | 0 | WN |
| Jul 2024 | 53 | 16 | 0 | 0 | WN |
| Jun 2024 | 49 | 11 | 0 | 1 | WN |
| May 2024 | 31 | 11 | 0 | 0 | WN |
| Apr 2024 | 30 | 4 | 0 | 0 | WN |
| Mar 2024 | 31 | 2 | 1 | 0 | WN |
| Jan 2024 | 31 | 7 | 2 | 0 | WN |
| Dec 2023 | 31 | 5 | 1 | 0 | WN |
| Nov 2023 | 30 | 5 | 0 | 0 | WN |
| Oct 2023 | 31 | 4 | 0 | 0 | WN |
| Sep 2023 | 30 | 5 | 0 | 0 | WN |
| Aug 2023 | 43 | 11 | 0 | 0 | WN |
| Jul 2023 | 55 | 30 | 1 | 0 | WN |
| Jun 2023 | 50 | 7 | 0 | 1 | WN |
| May 2023 | 31 | 2 | 0 | 0 | WN |
MDW–COS seasonal on-time pattern
Best: April (92.0%) · weakest: July (65.3%)
Strongest calendar month
April
92.0% on-time · ~38 flights/mo
Busiest calendar month
July
~55 flights/mo avg
Weakest calendar month
July
65.3% on-time · ~55 flights/mo
Cancellation Rate
0.6%
5 of 877 flights
Diversion Rate
0.3%
3 of 877 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profileCOS - Colorado Springs
Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.
COS on-time profileCompare the two airports
See MDW and COS side by side on delays, cancellations, and reliability.
Compare MDW vs COSOrigin-hub reliability standing
Mid-pack among MDW departures
From MDW, this corridor sits with 51 other 75–85% on-time routes out of 69 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 18 below 75%). Destination: Colorado Springs · fleet on-time rank #2987 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–COS.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About MDW to COS
1,867 tracked flights put the MDW to COS pairing (Chicago to Colorado Springs) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 58.8 minutes on average. Across the 917-mile route and its 1 carrier, the trailing 24 months show 0.6% cancelled and 0.3% diverted (877 flights sampled).
The monthly split is wide on this route: Jul 2025 posted the strongest performance at 74% on-time, while Jul 2023 came in at just 45% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, MDW–COS peaks in April at 92.0% on-time while July carries the heaviest traffic (~55 flights per month) ; the softest month is July at 65.3%, a 26.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MDW to COS rank among US routes by traffic? ▼
How often are flights delayed from MDW to COS? ▼
What is the cancellation rate for MDW to COS? ▼
How far is the flight from MDW to COS? ▼
When is the best time to fly from MDW to COS? ▼
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 MDW–COS data
MDW–COS is mid-pack at 80.4% on-time; month and carrier mix move more than the corridor headline.
- Compare MDW and COS airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
- If your dates flex, April (92.0% on-time) beats July (65.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.4% 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.