Which departure time was most reliable for PIT to ATL?
Among qualifying PIT-to-ATL departure window results, Late morning had the highest on-time rate: 91.0% of 636 flights. Evening was lowest at 83.5% across 532 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 717 | 89.7% | 4.3% | 2.6% |
| Late morning | 636 | 91.0% | 4.4% | 2.5% |
| Afternoon | 892 | 87.1% | 6.1% | 1.6% |
| Evening | 532 | 83.5% | 9.4% | 1.9% |
Which weekday was most reliable for PIT to ATL?
Among qualifying PIT-to-ATL weekday results, Wednesday had the highest on-time rate: 93.0% of 374 flights. Sunday was lowest at 81.6% across 424 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 426 | 83.8% | 9.2% | 2.6% |
| Tuesday | 384 | 89.3% | 6.2% | 1.0% |
| Wednesday | 374 | 93.0% | 2.1% | 0.5% |
| Thursday | 420 | 91.0% | 5.5% | 1.0% |
| Friday | 423 | 88.7% | 4.7% | 1.9% |
| Saturday | 326 | 89.6% | 4.3% | 3.4% |
| Sunday | 424 | 81.6% | 8.3% | 4.5% |
Which airline was most reliable for PIT to ATL?
Among qualifying PIT-to-ATL airline results, Delta Air Lines had the highest on-time rate: 88.2% of 2,475 flights. Southwest Airlines was lowest at 86.1% across 302 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,475 | 88.2% | 5.7% | 2.3% |
| Southwest Airlines | 302 | 86.1% | 7.0% | 0.3% |
Which month was most reliable for PIT to ATL?
Among qualifying PIT-to-ATL month results, September 2025 had the highest on-time rate: 95.7% of 235 flights. December 2025 was lowest at 78.5% across 228 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 250 | 87.2% | 5.6% | 0.4% |
| August 2025 | 246 | 87.8% | 4.5% | 3.7% |
| September 2025 | 235 | 95.7% | 1.7% | 0.0% |
| October 2025 | 251 | 91.6% | 4.4% | 0.0% |
| November 2025 | 217 | 88.9% | 4.6% | 3.2% |
| December 2025 | 228 | 78.5% | 12.3% | 3.5% |
| January 2026 | 217 | 81.6% | 9.2% | 5.5% |
| February 2026 | 210 | 91.4% | 4.8% | 0.5% |
| March 2026 | 235 | 83.8% | 6.8% | 4.7% |
| April 2026 | 222 | 91.9% | 5.4% | 1.4% |
| May 2026 | 243 | 86.8% | 7.8% | 1.2% |
| June 2026 | 223 | 90.1% | 3.6% | 1.8% |
What drove PIT to ATL delay minutes?
Airline was the largest recorded PIT-to-ATL delay category, accounting for 40.1% of 17,387 BTS-attributed delay minutes during July 2025–June 2026.
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