Atlanta to Newark — airline reliability comparison
Republic Airways is the most reliable airline on the ATL to EWR route with a 81% on-time rate, compared to Frontier Airlines at 55%. Based on 367 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.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 81% | 4.4% | 97m | 367 |
| United AirlinesUA | 78% | 2.8% | 87m | 7,389 |
| Delta Air LinesDL | 73% | 2.1% | 67m | 10,806 |
| Spirit AirlinesNK | 69% | 4.1% | 78m | 1,973 |
| Frontier AirlinesF9Worst | 55% | 4.1% | 91m | 1,048 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.