Which departure time was most reliable for DTW to RDU?
Among qualifying DTW-to-RDU departure window results, Early morning had the highest on-time rate: 90.7% of 268 flights. Night was lowest at 72.5% across 349 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 268 | 90.7% | 2.6% | 1.5% |
| Late morning | 425 | 86.1% | 9.2% | 0.7% |
| Afternoon | 410 | 83.2% | 9.8% | 1.2% |
| Evening | 73 | 79.5% | 12.3% | 5.5% |
| Night | 349 | 72.5% | 18.3% | 1.1% |
Which weekday was most reliable for DTW to RDU?
Among qualifying DTW-to-RDU weekday results, Friday had the highest on-time rate: 86.3% of 233 flights. Sunday was lowest at 75.3% across 243 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 236 | 84.3% | 11.4% | 0.8% |
| Tuesday | 207 | 86.0% | 8.7% | 1.0% |
| Wednesday | 202 | 84.7% | 8.4% | 0.5% |
| Thursday | 238 | 81.9% | 10.5% | 0.4% |
| Friday | 233 | 86.3% | 7.7% | 0.0% |
| Saturday | 166 | 80.7% | 12.7% | 2.4% |
| Sunday | 243 | 75.3% | 13.6% | 4.1% |
Which airline was most reliable for DTW to RDU?
Among qualifying DTW-to-RDU airline results, Spirit Airlines had the highest on-time rate: 83.1% of 77 flights. Frontier Airlines was lowest at 77.5% across 111 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,337 | 83.1% | 10.0% | 1.2% |
| Frontier Airlines | 111 | 77.5% | 13.5% | 3.6% |
| Spirit Airlines | 77 | 83.1% | 13.0% | 0.0% |
Which month was most reliable for DTW to RDU?
Among qualifying DTW-to-RDU month results, September 2025 had the highest on-time rate: 90.0% of 130 flights. December 2025 was lowest at 71.0% across 124 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 143 | 77.6% | 17.5% | 0.0% |
| August 2025 | 151 | 85.4% | 9.3% | 0.7% |
| September 2025 | 130 | 90.0% | 6.9% | 0.0% |
| October 2025 | 141 | 89.4% | 6.4% | 0.0% |
| November 2025 | 150 | 84.7% | 8.0% | 0.7% |
| December 2025 | 124 | 71.0% | 19.4% | 1.6% |
| January 2026 | 103 | 72.8% | 11.7% | 6.8% |
| February 2026 | 99 | 88.9% | 6.1% | 0.0% |
| March 2026 | 122 | 76.2% | 12.3% | 3.3% |
| April 2026 | 128 | 85.2% | 7.0% | 1.6% |
| May 2026 | 121 | 80.2% | 13.2% | 1.7% |
| June 2026 | 113 | 89.4% | 7.1% | 0.9% |
What drove DTW to RDU delay minutes?
Airline was the largest recorded DTW-to-RDU delay category, accounting for 56.9% of 15,397 BTS-attributed delay minutes during July 2025–June 2026.
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