Airlines on the LAS–ATL route
| Airline | On-time | Flights |
|---|---|---|
| Delta Air Lines | 89% | 18,380 |
| Spirit Airlines | 84% | 3,748 |
| Southwest Airlines | 82% | 4,268 |
| Frontier Airlines | 80% | 2,925 |
On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg ATL → LAS.
Reliability guides
Flying LAS → ATL?
Score real LAS–ATL flights on reliability, weather, and connection safety — not just price.