Charlotte (CLT) to Chicago (MDW): On-Time Performance
Data through May 2026
The calendar drives reliability on CLT–MDW. September 2025 flights landed on schedule 93% of the time, but December 2024 dropped to 62% — a gap of 31 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 61%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 2m
- scheduled
- Distance
- 584 mi
Monthly on-time trend
Best time to fly from CLT to MDW
Aim for departures around 6 a.m. (93% on-time); avoid 8 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 17 min |
| Tuesdaybest | 81% | 12 min |
| Wednesday | 77% | 15 min |
| Thursday | 71% | 13 min |
| Friday | 76% | 17 min |
| Saturday | 71% | 15 min |
| Sunday | 67% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations35%
- National airspace system10%
- Weather4%
- Security1%
Frequently asked questions
- How often are flights from CLT to MDW delayed?
- 26% of CLT–MDW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from CLT to MDW?
- Departures around 6 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to MDW?
- The scheduled CLT–MDW flight time averages 2h 2m over 584 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are CLT to MDW flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from CLT to MDW?
- December 2024 was the roughest month in this dataset, with only 62% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 1,458 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.