Kansas City (MCI) to Chicago (MDW): On-Time Performance
Data through July 2026
Kansas City (MCI) to Chicago (MDW) effectively runs on two schedules. In October 2024, 95% of arrivals were on time; in July 2025 that fell to 71% — a 24-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 73%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 5.8
- last 12 months
- Duration
- 1h 25m
- scheduled
- Distance
- 404 mi
Monthly on-time trend
Best time to fly from MCI to MDW
Aim for departures around 5 a.m. (94% on-time); avoid 7 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 11 min |
| Tuesday | 87% | 10 min |
| Wednesdaybest | 88% | 8 min |
| Thursday | 81% | 12 min |
| Friday | 80% | 12 min |
| Saturday | 86% | 9 min |
| Sunday | 78% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft59%
- Airline operations23%
- National airspace system15%
- Weather4%
Frequently asked questions
- How often are flights from MCI to MDW delayed?
- 17% of MCI–MDW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from MCI to MDW?
- Departures around 5 a.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MCI to MDW?
- The scheduled MCI–MDW flight time averages 1h 25m over 404 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are MCI to MDW flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MCI to MDW?
- July 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was October 2024 at 95%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 4,465 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.