Which departure time was most reliable for SDF to DCA?
Among qualifying SDF-to-DCA departure window results, Early morning had the highest on-time rate: 90.5% of 357 flights. Afternoon was lowest at 57.4% across 197 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 357 | 90.5% | 5.6% | 1.4% |
| Late morning | 344 | 75.0% | 10.2% | 5.8% |
| Afternoon | 197 | 57.4% | 29.9% | 4.6% |
| Evening | 131 | 59.5% | 17.6% | 10.7% |
Which weekday was most reliable for SDF to DCA?
Among qualifying SDF-to-DCA weekday results, Saturday had the highest on-time rate: 82.3% of 130 flights. Sunday was lowest at 72.8% across 147 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 150 | 74.7% | 13.3% | 6.0% |
| Tuesday | 155 | 74.2% | 16.1% | 3.9% |
| Wednesday | 152 | 73.0% | 13.8% | 3.9% |
| Thursday | 147 | 75.5% | 12.2% | 4.1% |
| Friday | 148 | 73.6% | 14.2% | 3.4% |
| Saturday | 130 | 82.3% | 6.9% | 4.6% |
| Sunday | 147 | 72.8% | 15.6% | 6.8% |
Which airline was most reliable for SDF to DCA?
Among qualifying SDF-to-DCA airline results, Republic Airways had the highest on-time rate: 84.7% of 439 flights. PSA Airlines was lowest at 67.5% across 572 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| PSA Airlines | 572 | 67.5% | 17.1% | 7.0% |
| Republic Airways | 439 | 84.7% | 8.2% | 1.6% |
| Envoy Air | 13 | 84.6% | 7.7% | 7.7% |
| American Airlines | 5 | 60.0% | 40.0% | 0.0% |
Which month was most reliable for SDF to DCA?
Among qualifying SDF-to-DCA month results, October 2025 had the highest on-time rate: 87.1% of 93 flights. June 2026 was lowest at 65.1% across 86 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 88 | 65.9% | 12.5% | 12.5% |
| August 2025 | 88 | 80.7% | 13.6% | 3.4% |
| September 2025 | 90 | 81.1% | 5.6% | 1.1% |
| October 2025 | 93 | 87.1% | 5.4% | 0.0% |
| November 2025 | 84 | 70.2% | 15.5% | 6.0% |
| December 2025 | 63 | 69.8% | 14.3% | 6.3% |
| January 2026 | 83 | 69.9% | 14.5% | 12.0% |
| February 2026 | 84 | 69.0% | 19.0% | 8.3% |
| March 2026 | 90 | 70.0% | 18.9% | 1.1% |
| April 2026 | 90 | 85.6% | 8.9% | 1.1% |
| May 2026 | 90 | 82.2% | 12.2% | 0.0% |
| June 2026 | 86 | 65.1% | 20.9% | 5.8% |
What drove SDF to DCA delay minutes?
Late aircraft was the largest recorded SDF-to-DCA delay category, accounting for 37.7% of 19,674 BTS-attributed delay minutes during July 2025–June 2026.
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