Flight Check

Best Airline: CVG to BOS

Cincinnati to Boston — airline reliability comparison

Endeavor Air is the most reliable airline on the CVG to BOS route with a 100% on-time rate, compared to Republic Airways at 79%. Based on 16 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Endeavor Air100%
Frontier Airlines88%
87%
Delta Air Lines85%
Republic Airways79%

CVG to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Endeavor Air9EBest100%6.3%0m16
Frontier AirlinesF988%1.0%61m105
MQ87%1.2%59m1,263
Delta Air LinesDL85%2.3%85m902
Republic AirwaysYXWorst79%2.6%68m4,217

Route Overview

82%
Overall On-Time
69m
Avg Delay
2%
Cancel Rate
6,560
Total Flights
CVG to BOS Route DetailsReturn: BOS to CVG
CVG AirportBOS Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.