Flight Check

Best Airline: BOS to SLC

Boston to Salt Lake City — airline reliability comparison

Delta Air Lines is the most reliable airline on the BOS to SLC route with a 83% on-time rate, compared to JetBlue Airways at 64%. Based on 3,670 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

Delta Air Lines83%
JetBlue Airways64%

BOS to SLC Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest83%0.6%75m3,670
JetBlue AirwaysB6Worst64%1.4%68m923

Route Overview

79%
Overall On-Time
72m
Avg Delay
0.8%
Cancel Rate
4,617
Total Flights
BOS to SLC Route DetailsReturn: SLC to BOS
BOS AirportSLC Airport

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