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Route Reliability

Philadelphia → Charleston

PHL–CHS · 550 miles · Philadelphia International Airport to Charleston International Airport

76
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
9 min
Average arrival delay
2.2%
Cancelled
1,228
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines77% on time · 1,145 flights
  • Frontier Airlines78% on time · 83 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning-you made the right choice.

PHL–CHS flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 64% between 9 PM–12 AM.

Tuesday has been the better bet.

A small edge: 81% on time on Tuesdays against 74% on Thursdays.

Trending in the right direction.

PHL–CHS flights arrived on time 85% of the time over the last three months in the data, compared with 74% 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
  • Mon80%(181 flights)
  • Tue81%(160 flights)
  • Wed79%(154 flights)
  • Thu74%(172 flights)
  • Fri76%(186 flights)
  • Sat75%(161 flights)
  • Sun76%(186 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM84%(335 flights)
  • 9 AM–12 PM89%(63 flights)
  • 12–3 PM75%(273 flights)
  • 3–6 PM74%(292 flights)
  • 6–9 PM73%(211 flights)
  • 9 PM–12 AM64%(25 flights)
On-time trend by month
84%
May

Jun 70% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%115
July 202573%99
August 202573%124
September 202584%110
October 202574%125
November 202578%111
December 202566%83
January 202673%62
February 202683%53
March 202688%77
April 202683%119
May 202684%122

Keep nerding

Based on 1,228 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.