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Route Reliability

Boston → Charleston

BOS–CHS · 818 miles · Boston Logan International Airport to Charleston International Airport

77
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.7%
Cancelled
1,120
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines79%478 flights
  2. 2.JetBlue Airways75%642 flights

What the data says

Morning-you made the right choice.

BOS–CHS flights departing between 6–9 AM arrived on time 85% of the time, versus 55% between 3–6 PM.

Sunday scaries are real for this one.

BOS–CHS flights arrived on time 84% of the time on Tuesdays. On Sundays: 70%.

Delta Air Lines has a slight edge here.

Delta Air Lines arrived on time 79% of the time on this route; JetBlue Airways managed 75%.

Trending in the right direction.

BOS–CHS flights arrived on time 83% of the time over the last three months in the data, compared with 70% 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
  • Mon75%(150 flights)
  • Tue84%(130 flights)
  • Wed83%(133 flights)
  • Thu76%(151 flights)
  • Fri75%(152 flights)
  • Sat77%(188 flights)
  • Sun70%(194 flights)
On-time by departure window
  • 6–9 AM85%(254 flights)
  • 9 AM–12 PM83%(254 flights)
  • 12–3 PM79%(364 flights)
  • 3–6 PM55%(172 flights)
  • 6–9 PM63%(54 flights)
On-time trend by month
86%
May

Jun 68% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%93
July 202570%90
August 202579%92
September 202577%98
October 202584%99
November 202575%89
December 202562%99
January 202676%63
February 202674%53
March 202681%85
April 202682%113
May 202686%124

Keep nerding

Based on 1,120 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.