Detroit to Atlanta — airline reliability comparison
Delta Air Lines is the most reliable airline on the DTW to ATL route with a 84% on-time rate, compared to Frontier Airlines at 63%. Based on 13,200 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 |
|---|---|---|---|---|
| Delta Air LinesDLBest | 84% | 0.5% | 72m | 13,200 |
| Spirit AirlinesNK | 78% | 1.4% | 61m | 3,490 |
| Frontier AirlinesF9Worst | 63% | 3.0% | 86m | 1,346 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.