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

Cincinnati, OH (CVG) to Boston, MA (BOS) flight delay odds

77.7% of 1,942 official scheduled CVG-to-BOS flights arrived on time; 14.6% arrived at least 30 minutes late and 2.9% 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
77.7%arrived on time
14.6%30+ min late
2.9%cancelled
1,942scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.5%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+2.0 mincompleted flights

Which departure time was most reliable for CVG to BOS?

Among qualifying CVG-to-BOS departure window results, Early morning had the highest on-time rate: 90.2% of 701 flights. Evening was lowest at 66.6% across 443 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning70190.2%5.4%1.7%
Late morning25780.2%11.7%2.7%
Afternoon49169.2%21.6%3.5%
Evening44366.6%22.3%4.3%
Night5072.0%22.0%4.0%

Which weekday was most reliable for CVG to BOS?

Among qualifying CVG-to-BOS weekday results, Saturday had the highest on-time rate: 86.3% of 205 flights. Monday was lowest at 72.7% across 297 flights.

DayFlightsOn time30+ minCancelled
Monday29772.7%15.2%7.4%
Tuesday30475.7%14.8%3.3%
Wednesday29580.7%13.6%1.0%
Thursday29473.5%18.7%2.7%
Friday29179.0%15.8%0.3%
Saturday20586.3%6.8%2.4%
Sunday25678.9%15.2%3.1%

Which airline was most reliable for CVG to BOS?

Among qualifying CVG-to-BOS airline results, Envoy Air had the highest on-time rate: 91.8% of 364 flights. Republic Airways was lowest at 74.6% across 1,557 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways1,55774.6%16.6%3.5%
Envoy Air36491.8%4.9%0.8%
Delta Air Lines2161.9%33.3%0.0%

Which month was most reliable for CVG to BOS?

Among qualifying CVG-to-BOS month results, August 2025 had the highest on-time rate: 87.9% of 140 flights. October 2025 was lowest at 60.7% across 191 flights.

MonthFlightsOn time30+ minCancelled
July 202514068.6%21.4%2.9%
August 202514087.9%8.6%0.7%
September 202515071.3%20.0%3.3%
October 202519160.7%27.7%2.1%
November 202517081.8%11.8%4.7%
December 202516475.0%18.9%0.0%
January 202613978.4%9.4%10.1%
February 202613976.3%10.8%8.6%
March 202617381.5%11.6%1.7%
April 202617582.9%10.9%0.6%
May 202618685.5%10.8%0.5%
June 202617582.9%12.0%2.3%

What drove CVG to BOS delay minutes?

National airspace was the largest recorded CVG-to-BOS delay category, accounting for 57.0% of 24,160 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.3%
Late aircraft20.5%
National airspace57.0%
Weather4.1%
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.