Historical on-time performance
Charlotte to Chicago
584 miData through May 2026Source: US DOT · BTS
Flights on CLT–MDW arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 718 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9040 minCancel1.8%Flights718
Why flights run late
Delay causes
- Airline37%
- Weather4%
- Air traffic (NAS)12%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline23%
- Weather77%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 13 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → MDW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 15 min · 994 flights
- Middays74% on time · p90 35 min · 254 flights
- Evenings65% on time · p90 50 min · 700 flights
- Overnights54% on time · p90 75 min · 267 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 80% on time.
- Tuesdays80% on time · p90 35 min · 335 flights
- Wednesdays79% on time · p90 25 min · 328 flights
- Mondays77% on time · p90 35 min · 368 flights
- Fridays77% on time · p90 40 min · 373 flights
- Thursdays71% on time · p90 40 min · 370 flights
- Saturdays70% on time · p90 40 min · 204 flights
- Sundays65% on time · p90 50 min · 331 flights
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