Route Reliability
Chicago → Charlotte
MDW–CLT · 584 miles · Chicago Midway International Airport to Charlotte Douglas International Airport
74
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.7%
- Cancelled
- 718
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 73% of the time across 718 flights. No comparison to make.
What the data says
Morning flights do better here.
MDW–CLT flights departing between 6–9 AM arrived on time 100% of the time, versus 60% between 3–6 PM.
Sunday scaries are real for this one.
MDW–CLT flights arrived on time 80% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon76%(108 flights)
- Tue80%(104 flights)
- Wed77%(103 flights)
- Thu69%(107 flights)
- Fri75%(108 flights)
- Sat72%(71 flights)
- Sun65%(105 flights)
- 6–9 AM100%(11 flights)
- 9 AM–12 PM84%(152 flights)
- 12–3 PM87%(195 flights)
- 3–6 PM60%(62 flights)
- 6–9 PM60%(275 flights)
- 9 PM–12 AM73%(11 flights)
77%
May
Jun 58% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 58% | 78 |
| July 2025 | 63% | 81 |
| August 2025 | 81% | 59 |
| September 2025 | 79% | 56 |
| October 2025 | 74% | 62 |
| November 2025 | 83% | 54 |
| December 2025 | 68% | 60 |
| January 2026 | 80% | 35 |
| February 2026 | 83% | 41 |
| March 2026 | 66% | 58 |
| April 2026 | 83% | 60 |
| May 2026 | 77% | 62 |
Same trip, other airports
Keep nerding
Based on 718 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.