BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BOS→CLT

Boston, MA (BOS) to Charlotte, NC (CLT) flight delay odds

80.3% of 4,017 official scheduled BOS-to-CLT flights arrived on time; 12.2% arrived at least 30 minutes late and 2.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
80.3%arrived on time
12.2%30+ min late
2.7%cancelled
4,017scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.8 mincompleted flights

Which departure time was most reliable for BOS to CLT?

Among qualifying BOS-to-CLT departure window results, Early morning had the highest on-time rate: 89.9% of 1,144 flights. Evening was lowest at 68.3% across 876 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,14489.9%5.0%2.5%
Late morning88684.5%10.4%1.8%
Afternoon1,11176.4%14.0%2.6%
Evening87668.3%21.5%3.9%

Which weekday was most reliable for BOS to CLT?

Among qualifying BOS-to-CLT weekday results, Wednesday had the highest on-time rate: 84.9% of 562 flights. Sunday was lowest at 74.5% across 585 flights.

DayFlightsOn time30+ minCancelled
Monday60977.7%12.3%5.4%
Tuesday56783.4%9.7%2.8%
Wednesday56284.9%9.1%1.6%
Thursday60477.3%16.1%1.5%
Friday59381.5%13.0%1.0%
Saturday49783.5%11.7%2.0%
Sunday58574.5%13.5%4.3%

Which airline was most reliable for BOS to CLT?

Among qualifying BOS-to-CLT airline results, American Airlines had the highest on-time rate: 81.8% of 2,735 flights. Spirit Airlines was lowest at 69.2% across 78 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,73581.8%11.3%2.3%
Republic Airways1,19977.6%13.7%3.4%
Spirit Airlines7869.2%24.4%2.6%
Envoy Air580.0%0.0%20.0%

Which month was most reliable for BOS to CLT?

Among qualifying BOS-to-CLT month results, April 2026 had the highest on-time rate: 90.6% of 339 flights. July 2025 was lowest at 69.1% across 359 flights.

MonthFlightsOn time30+ minCancelled
July 202535969.1%18.9%5.3%
August 202535386.4%9.3%0.8%
September 202531870.4%20.4%1.9%
October 202537075.9%15.1%1.1%
November 202534781.6%11.2%2.9%
December 202533183.1%11.8%0.3%
January 202629171.5%12.4%11.0%
February 202627576.0%10.9%8.7%
March 202632782.9%11.3%1.8%
April 202633990.6%6.8%0.0%
May 202635586.2%9.6%0.0%
June 202635287.2%9.1%0.9%

What drove BOS to CLT delay minutes?

Late aircraft was the largest recorded BOS-to-CLT delay category, accounting for 45.0% of 55,624 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.2%
Late aircraft45.0%
National airspace16.2%
Weather5.5%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.