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

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

78.0% of 1,943 official scheduled BOS-to-CVG flights arrived on time; 12.4% 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
78.0%arrived on time
12.4%30+ min late
2.9%cancelled
1,943scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+1.8 mincompleted flights

Which departure time was most reliable for BOS to CVG?

Among qualifying BOS-to-CVG departure window results, Early morning had the highest on-time rate: 85.0% of 439 flights. Night was lowest at 43.5% across 46 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning43985.0%5.9%3.9%
Late morning34584.3%7.2%2.3%
Afternoon52678.5%13.3%1.3%
Evening58771.4%17.7%3.6%
Night4643.5%32.6%6.5%

Which weekday was most reliable for BOS to CVG?

Among qualifying BOS-to-CVG weekday results, Tuesday had the highest on-time rate: 82.8% of 303 flights. Sunday was lowest at 71.1% across 256 flights.

DayFlightsOn time30+ minCancelled
Monday29772.1%13.8%5.7%
Tuesday30382.8%9.6%3.6%
Wednesday29681.4%8.4%2.7%
Thursday29576.6%12.9%2.7%
Friday29180.8%13.4%0.3%
Saturday20581.5%11.7%1.5%
Sunday25671.1%17.2%3.1%

Which airline was most reliable for BOS to CVG?

Among qualifying BOS-to-CVG airline results, Republic Airways had the highest on-time rate: 79.7% of 1,557 flights. Envoy Air was lowest at 69.8% across 364 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways1,55779.7%10.7%3.1%
Envoy Air36469.8%19.8%2.2%
Delta Air Lines2295.5%4.5%0.0%

Which month was most reliable for BOS to CVG?

Among qualifying BOS-to-CVG month results, August 2025 had the highest on-time rate: 88.6% of 140 flights. July 2025 was lowest at 70.7% across 140 flights.

MonthFlightsOn time30+ minCancelled
July 202514070.7%18.6%3.6%
August 202514088.6%7.1%1.4%
September 202515071.3%16.0%5.3%
October 202519174.9%14.7%1.6%
November 202517179.5%12.3%4.1%
December 202516474.4%12.2%0.0%
January 202613875.4%8.0%10.1%
February 202614076.4%11.4%7.9%
March 202617379.8%13.3%1.2%
April 202617582.9%11.4%0.6%
May 202618682.3%9.7%0.5%
June 202617578.9%13.1%1.1%

What drove BOS to CVG delay minutes?

Late aircraft was the largest recorded BOS-to-CVG delay category, accounting for 51.4% of 22,195 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.4%
Late aircraft51.4%
National airspace19.9%
Weather2.4%
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.