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Route Reliability

Charlotte → Boston

CLT–BOS · 728 miles · Charlotte Douglas International Airport to Boston Logan International Airport

73
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
2.6%
Cancelled
4,019
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 Lines82%1,204 flights
  2. 2.American Airlines73%2,735 flights

Not enough history to rank: Spirit Airlines (80 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

CLT–BOS flights departing between 6–9 AM arrived on time 91% of the time, versus 63% between 3–6 PM.

Sunday scaries are real for this one.

CLT–BOS flights arrived on time 81% of the time on Wednesdays. On Sundays: 69%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 82% of the time on this route; American Airlines managed 73%.

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%(576 flights)
  • Tue79%(541 flights)
  • Wed81%(557 flights)
  • Thu72%(599 flights)
  • Fri75%(584 flights)
  • Sat81%(483 flights)
  • Sun69%(572 flights)
On-time by departure window
  • 6–9 AM91%(861 flights)
  • 9 AM–12 PM87%(681 flights)
  • 12–3 PM72%(758 flights)
  • 3–6 PM63%(718 flights)
  • 6–9 PM64%(799 flights)
  • 9 PM–12 AM78%(95 flights)
On-time trend by month
78%
May

Jun 67% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%349
July 202563%340
August 202578%352
September 202561%313
October 202569%366
November 202584%337
December 202582%330
January 202683%258
February 202681%253
March 202680%322
April 202683%338
May 202678%354

Keep nerding

Based on 4,019 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.