Dallas to Atlanta — airline reliability comparison
Delta Air Lines is the most reliable airline on the DFW to ATL route with a 83% on-time rate, compared to Frontier Airlines at 64%. Based on 9,924 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 | 83% | 1.7% | 84m | 9,924 |
| MQ | 81% | 0.0% | 44m | 164 |
| American AirlinesAA | 71% | 2.6% | 71m | 9,297 |
| Spirit AirlinesNK | 70% | 1.9% | 64m | 1,691 |
| Frontier AirlinesF9Worst | 64% | 2.2% | 79m | 2,272 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.