Best Time to Fly MDW to COS: On-Time Stats by Hour & Airline
Chicago Midway International → City of Colorado Springs Municipal
Data through July 2026 · Last updated October 18, 2026
189 flights were scheduled from Chicago (MDW) to Colorado Springs (COS) in the last 12 months, and 73.3% of those that flew arrived on time, 4.4 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (92% on time) and Sunday the weakest day of the week (77%).
0.5% of flights were cancelled, versus 1.8% nationally.
MDW to COS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 73.3% | 41 min | 0.5% | 189 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to COS
On-time arrival % by scheduled departure hour (local time), 579 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 85.4% | 0.0% | 83 |
| 8am–9am | 77.4% | 0.0% | 31 |
| 9am–10am | Limited data | 18 | |
| 10am–11am | 96.2% | 0.0% | 80 |
| 11am–12pm | 71.0% | 0.0% | 38 |
| 12pm–1pm | 83.6% | 0.0% | 134 |
| 1pm–2pm | Limited data | 13 | |
| 2pm–3pm | 81.0% | 0.0% | 79 |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | 86.5% | 2.6% | 38 |
| 5pm–6pm | 60.3% | 0.0% | 58 |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MDW to COS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 72.7% | -14.9 pts | 0.6% | 162 |
| All other days | 87.5% | — | 0.0% | 378 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).