Which departure time was most reliable for SAT to ATL?
Among qualifying SAT-to-ATL departure window results, Early morning had the highest on-time rate: 91.6% of 1,060 flights. Afternoon was lowest at 78.2% across 1,069 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,060 | 91.6% | 3.8% | 1.4% |
| Late morning | 449 | 86.6% | 6.0% | 2.4% |
| Afternoon | 1,069 | 78.2% | 11.9% | 1.3% |
| Evening | 448 | 79.7% | 13.4% | 1.6% |
Which weekday was most reliable for SAT to ATL?
Among qualifying SAT-to-ATL weekday results, Wednesday had the highest on-time rate: 91.8% of 401 flights. Sunday was lowest at 78.7% across 445 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 479 | 81.0% | 11.3% | 1.7% |
| Tuesday | 409 | 88.8% | 6.1% | 0.5% |
| Wednesday | 401 | 91.8% | 4.5% | 0.2% |
| Thursday | 440 | 86.4% | 7.7% | 0.2% |
| Friday | 472 | 80.7% | 10.6% | 1.5% |
| Saturday | 380 | 85.0% | 6.3% | 3.7% |
| Sunday | 445 | 78.7% | 11.0% | 3.1% |
Which airline was most reliable for SAT to ATL?
Among qualifying SAT-to-ATL airline results, Delta Air Lines had the highest on-time rate: 85.9% of 2,609 flights. Frontier Airlines was lowest at 61.5% across 91 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,609 | 85.9% | 7.1% | 1.8% |
| Southwest Airlines | 318 | 78.9% | 11.6% | 0.3% |
| Frontier Airlines | 91 | 61.5% | 33.0% | 0.0% |
| Spirit Airlines | 8 | 75.0% | 12.5% | 0.0% |
Which month was most reliable for SAT to ATL?
Among qualifying SAT-to-ATL month results, September 2025 had the highest on-time rate: 94.6% of 260 flights. May 2026 was lowest at 75.7% across 259 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 277 | 76.2% | 14.8% | 0.4% |
| August 2025 | 269 | 84.4% | 10.8% | 0.7% |
| September 2025 | 260 | 94.6% | 3.1% | 0.0% |
| October 2025 | 275 | 89.1% | 5.5% | 0.0% |
| November 2025 | 250 | 89.6% | 5.2% | 1.6% |
| December 2025 | 251 | 84.5% | 7.6% | 2.4% |
| January 2026 | 216 | 81.0% | 7.9% | 3.7% |
| February 2026 | 221 | 86.4% | 6.8% | 1.4% |
| March 2026 | 256 | 81.6% | 12.1% | 1.2% |
| April 2026 | 248 | 87.9% | 5.6% | 0.8% |
| May 2026 | 259 | 75.7% | 9.7% | 4.6% |
| June 2026 | 244 | 81.6% | 11.1% | 2.5% |
What drove SAT to ATL delay minutes?
Late aircraft was the largest recorded SAT-to-ATL delay category, accounting for 41.1% of 29,715 BTS-attributed delay minutes during July 2025–June 2026.
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