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Route Reliability

Washington → Charleston

DCA–CHS · 444 miles · Ronald Reagan Washington National Airport to Charleston International Airport

62
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
18 min
Average arrival delay
3.4%
Cancelled
1,759
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 71% of the time across 1,759 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DCA–CHS flights departing between 6–9 AM arrived on time 83% of the time, versus 55% between 3–6 PM.

Friday is doing you no favors.

DCA–CHS flights arrived on time 80% of the time on Tuesdays. On Fridays: 67%.

Keep a backup plan handy.

This route was cancelled 3.4% of the time. Typical for U.S. flights is around 1–2%.

Ticking up lately.

DCA–CHS flights arrived on time 75% of the time over the last three months in the data, compared with 68% in the three months before that.

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
  • Mon68%(252 flights)
  • Tue80%(254 flights)
  • Wed71%(252 flights)
  • Thu68%(245 flights)
  • Fri67%(251 flights)
  • Sat78%(200 flights)
  • Sun69%(245 flights)
On-time by departure window
  • 6–9 AM83%(347 flights)
  • 9 AM–12 PM80%(254 flights)
  • 12–3 PM73%(435 flights)
  • 3–6 PM55%(329 flights)
  • 6–9 PM65%(295 flights)
  • 9 PM–12 AM82%(39 flights)
On-time trend by month
77%
May

Jun 68% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%143
July 202565%137
August 202576%146
September 202572%145
October 202576%150
November 202570%140
December 202562%139
January 202674%129
February 202668%129
March 202668%144
April 202679%146
May 202677%151

Same trip, other airports

Keep nerding

Based on 1,759 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.