Skip to content
WanderNerd
Check a flight

Route Reliability

Chicago → Charleston

ORD–CHS · 760 miles · Chicago O'Hare International Airport to Charleston International Airport

76
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
7 min
Average arrival delay
1.9%
Cancelled
2,058
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines77%1,113 flights
  2. 2.American Airlines75%945 flights

What the data says

Morning flights do better here.

ORD–CHS flights departing between 6–9 AM arrived on time 83% of the time, versus 65% between 6–9 PM.

Sunday scaries are real for this one.

ORD–CHS flights arrived on time 80% of the time on Tuesdays. On Sundays: 72%.

Not much between United Airlines and American Airlines.

On this route they all land within 75% to 77% on time. Pick on schedule and price.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon74%(298 flights)
  • Tue80%(271 flights)
  • Wed78%(283 flights)
  • Thu77%(297 flights)
  • Fri76%(300 flights)
  • Sat75%(267 flights)
  • Sun72%(301 flights)
On-time by departure window
  • 12–3 AM—(1 flights)
  • 6–9 AM83%(430 flights)
  • 9 AM–12 PM81%(588 flights)
  • 12–3 PM80%(255 flights)
  • 3–6 PM69%(317 flights)
  • 6–9 PM65%(424 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
78%
May

Jun 82% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%168
July 202566%167
August 202584%133
September 202586%145
October 202581%177
November 202578%170
December 202574%171
January 202669%139
February 202677%151
March 202667%201
April 202673%188
May 202678%207

Same trip, other airports

Keep nerding

Based on 2,058 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.