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

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

74.2% of 4,016 official scheduled CLT-to-BOS flights arrived on time; 16.7% arrived at least 30 minutes late and 2.5% 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
74.2%arrived on time
16.7%30+ min late
2.5%cancelled
4,016scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.0%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.5 mincompleted flights

Which departure time was most reliable for CLT to BOS?

Among qualifying CLT-to-BOS departure window results, Early morning had the highest on-time rate: 89.0% of 885 flights. Evening was lowest at 62.3% across 1,177 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning88589.0%6.0%2.0%
Late morning68885.6%9.2%1.6%
Afternoon1,13568.1%21.6%2.1%
Evening1,17762.3%24.7%3.4%
Night13174.0%13.7%5.3%

Which weekday was most reliable for CLT to BOS?

Among qualifying CLT-to-BOS weekday results, Wednesday had the highest on-time rate: 79.5% of 561 flights. Sunday was lowest at 67.7% across 586 flights.

DayFlightsOn time30+ minCancelled
Monday60671.0%18.5%5.0%
Tuesday56676.7%13.1%2.5%
Wednesday56179.5%13.2%0.7%
Thursday60672.1%19.5%1.5%
Friday59275.2%17.1%0.5%
Saturday49978.4%14.0%2.8%
Sunday58667.7%20.6%4.4%

Which airline was most reliable for CLT to BOS?

Among qualifying CLT-to-BOS airline results, Republic Airways had the highest on-time rate: 79.4% of 1,199 flights. American Airlines was lowest at 72.0% across 2,735 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,73572.0%18.1%2.2%
Republic Airways1,19979.4%13.3%3.0%
Spirit Airlines7772.7%19.5%1.3%
Envoy Air540.0%20.0%40.0%

Which month was most reliable for CLT to BOS?

Among qualifying CLT-to-BOS month results, April 2026 had the highest on-time rate: 82.0% of 338 flights. September 2025 was lowest at 59.1% across 318 flights.

MonthFlightsOn time30+ minCancelled
July 202535959.3%26.5%4.7%
August 202535476.0%16.4%0.3%
September 202531859.1%29.6%1.6%
October 202537067.3%24.6%0.8%
November 202534881.0%10.6%3.2%
December 202533181.6%10.9%0.3%
January 202629073.8%10.7%11.0%
February 202627574.2%12.7%8.0%
March 202632777.7%15.0%1.5%
April 202633882.0%12.1%0.0%
May 202635478.2%15.5%0.0%
June 202635280.4%13.6%0.9%

What drove CLT to BOS delay minutes?

Late aircraft was the largest recorded CLT-to-BOS delay category, accounting for 38.5% of 61,510 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.9%
Late aircraft38.5%
National airspace29.7%
Weather6.9%
Security0.0%
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.