Atlanta to Hartford — airline reliability comparison
Delta Air Lines is the most reliable airline on the ATL to BDL route with a 82% on-time rate, compared to Frontier Airlines at 71%. Based on 7,399 flights tracked.
This route involves high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 82% | 1.1% | 54m | 7,399 |
| Frontier AirlinesF9Worst | 71% | 2.9% | 74m | 323 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.