Which departure time was most reliable for DFW to IAD?
Among qualifying DFW-to-IAD departure window results, Early morning had the highest on-time rate: 86.6% of 544 flights. Evening was lowest at 69.9% across 668 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 544 | 86.6% | 7.5% | 1.7% |
| Late morning | 52 | 86.5% | 9.6% | 1.9% |
| Afternoon | 664 | 73.6% | 17.6% | 1.7% |
| Evening | 668 | 69.9% | 19.0% | 3.4% |
Which weekday was most reliable for DFW to IAD?
Among qualifying DFW-to-IAD weekday results, Tuesday had the highest on-time rate: 79.8% of 248 flights. Sunday was lowest at 69.3% across 280 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 305 | 77.4% | 15.1% | 1.6% |
| Tuesday | 248 | 79.8% | 11.3% | 3.2% |
| Wednesday | 240 | 79.2% | 12.9% | 1.2% |
| Thursday | 297 | 75.4% | 16.2% | 1.7% |
| Friday | 305 | 78.7% | 14.4% | 1.6% |
| Saturday | 253 | 75.1% | 17.8% | 2.8% |
| Sunday | 280 | 69.3% | 17.1% | 3.9% |
Which airline was most reliable for DFW to IAD?
Among qualifying DFW-to-IAD airline results, Frontier Airlines had the highest on-time rate: 85.7% of 161 flights. American Airlines was lowest at 67.0% across 843 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| United Airlines | 915 | 83.5% | 10.3% | 1.0% |
| American Airlines | 843 | 67.0% | 21.5% | 3.7% |
| Frontier Airlines | 161 | 85.7% | 6.8% | 2.5% |
| Republic Airways | 9 | 55.6% | 44.4% | 0.0% |
Which month was most reliable for DFW to IAD?
Among qualifying DFW-to-IAD month results, September 2025 had the highest on-time rate: 87.6% of 185 flights. July 2025 was lowest at 64.5% across 172 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 172 | 64.5% | 26.2% | 4.1% |
| August 2025 | 166 | 74.7% | 12.7% | 3.6% |
| September 2025 | 185 | 87.6% | 7.6% | 1.1% |
| October 2025 | 173 | 78.6% | 16.2% | 0.6% |
| November 2025 | 143 | 72.7% | 15.4% | 0.7% |
| December 2025 | 138 | 76.1% | 18.8% | 0.0% |
| January 2026 | 140 | 79.3% | 7.9% | 10.7% |
| February 2026 | 139 | 84.9% | 7.2% | 0.0% |
| March 2026 | 149 | 75.2% | 15.4% | 2.0% |
| April 2026 | 152 | 83.6% | 11.8% | 0.7% |
| May 2026 | 175 | 74.3% | 16.6% | 2.3% |
| June 2026 | 196 | 67.3% | 21.9% | 2.0% |
What drove DFW to IAD delay minutes?
Late aircraft was the largest recorded DFW-to-IAD delay category, accounting for 47.1% of 32,611 BTS-attributed delay minutes during July 2025–June 2026.
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