Flight Check

Best Airline: LAS to BOS

Las Vegas to Boston — airline reliability comparison

Delta Air Lines is the most reliable airline on the LAS to BOS route with a 76% on-time rate, compared to JetBlue Airways at 73%. Based on 2,047 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines76%
Spirit Airlines74%
JetBlue Airways73%

LAS to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest76%0.9%69m2,047
Spirit AirlinesNK74%0.8%46m237
JetBlue AirwaysB6Worst73%1.4%91m3,542

Route Overview

75%
Overall On-Time
82m
Avg Delay
1.1%
Cancel Rate
5,837
Total Flights
LAS to BOS Route DetailsReturn: BOS to LAS
LAS AirportBOS Airport

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