Which departure time was most reliable for LAS to ATL?
Among qualifying LAS-to-ATL departure window results, Early morning had the highest on-time rate: 89.8% of 1,195 flights. Evening was lowest at 78.0% across 41 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,195 | 89.8% | 4.9% | 1.0% |
| Late morning | 866 | 86.8% | 6.9% | 0.5% |
| Afternoon | 1,120 | 80.6% | 12.3% | 0.6% |
| Evening | 41 | 78.0% | 14.6% | 0.0% |
| Night | 1,569 | 81.1% | 11.5% | 1.2% |
Which weekday was most reliable for LAS to ATL?
Among qualifying LAS-to-ATL weekday results, Wednesday had the highest on-time rate: 91.2% of 649 flights. Friday was lowest at 80.6% across 700 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 709 | 81.9% | 11.1% | 0.8% |
| Tuesday | 673 | 87.5% | 6.8% | 0.0% |
| Wednesday | 649 | 91.2% | 4.6% | 0.2% |
| Thursday | 696 | 83.5% | 9.9% | 0.4% |
| Friday | 700 | 80.6% | 11.7% | 1.6% |
| Saturday | 660 | 84.2% | 8.5% | 1.8% |
| Sunday | 704 | 81.0% | 11.5% | 1.3% |
Which airline was most reliable for LAS to ATL?
Among qualifying LAS-to-ATL airline results, Delta Air Lines had the highest on-time rate: 86.7% of 3,327 flights. Frontier Airlines was lowest at 72.7% across 561 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 3,327 | 86.7% | 8.3% | 0.7% |
| Southwest Airlines | 720 | 82.1% | 7.4% | 0.7% |
| Frontier Airlines | 561 | 72.7% | 16.0% | 2.1% |
| Spirit Airlines | 183 | 81.4% | 13.1% | 0.5% |
Which month was most reliable for LAS to ATL?
Among qualifying LAS-to-ATL month results, February 2026 had the highest on-time rate: 89.1% of 341 flights. July 2025 was lowest at 75.2% across 416 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 416 | 75.2% | 13.9% | 1.2% |
| August 2025 | 405 | 85.2% | 9.4% | 1.5% |
| September 2025 | 389 | 88.4% | 9.0% | 0.0% |
| October 2025 | 413 | 85.5% | 7.7% | 0.2% |
| November 2025 | 390 | 84.4% | 11.0% | 0.5% |
| December 2025 | 429 | 87.4% | 6.1% | 1.2% |
| January 2026 | 384 | 83.9% | 5.5% | 2.9% |
| February 2026 | 341 | 89.1% | 5.9% | 0.3% |
| March 2026 | 407 | 77.4% | 12.3% | 2.0% |
| April 2026 | 422 | 88.2% | 7.1% | 0.2% |
| May 2026 | 407 | 81.8% | 13.5% | 0.2% |
| June 2026 | 388 | 84.5% | 9.0% | 0.3% |
What drove LAS to ATL delay minutes?
Airline was the largest recorded LAS-to-ATL delay category, accounting for 51.3% of 50,548 BTS-attributed delay minutes during July 2025–June 2026.
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