Charleston (CHS) to Chicago (MDW): On-Time Performance
Data through May 2026
Charleston (CHS) to Chicago (MDW) is a thinner route than most in this dataset — 346 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 86% arrived on time, comfortably above the national average of 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 0.95
- last 12 months
- Duration
- 2h 14m
- scheduled
- Distance
- 745 mi
Monthly on-time trend
Best time to fly from CHS to MDW
Aim for departures around 7 a.m. (97% on-time); avoid 8 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 93% | 4 min |
| Tuesday | 89% | 4 min |
| Wednesday | 91% | 9 min |
| Thursday | 85% | 8 min |
| Friday | 90% | 7 min |
| Saturday | 82% | 11 min |
| Sunday | 79% | 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 aircraft61%
- Airline operations24%
- National airspace system14%
Frequently asked questions
- How often are flights from CHS to MDW delayed?
- 14% of CHS–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 9 minutes.
- What is the best time of day to fly from CHS to MDW?
- Departures around 7 a.m. have the best record (97% on-time), while departures around 8 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHS to MDW?
- The scheduled CHS–MDW flight time averages 2h 14m over 745 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are CHS to MDW flights cancelled?
- 0.6% 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 CHS to MDW?
- November 2025 was the roughest month in this dataset, with only 52% of arrivals on time. The best was October 2024 at 100%. If your dates are flexible, that 48-point gap is worth planning around.
Explore related pages
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Based on 702 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.