Flight Check

Best Airline: PWM to ATL

Portland to Atlanta — airline reliability comparison

Delta Air Lines is the most reliable airline on the PWM to ATL route with a 82% on-time rate. Based on 2,022 flights tracked.

This route involves 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 Lines82%

PWM to ATL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest82%1.1%91m2,022

Route Overview

80%
Overall On-Time
89m
Avg Delay
1.2%
Cancel Rate
2,022
Total Flights
PWM to ATL Route DetailsReturn: ATL to PWM
PWM AirportATL Airport

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