Which departure time was most reliable for BOS to RDU?
Among qualifying BOS-to-RDU departure window results, Early morning had the highest on-time rate: 84.4% of 711 flights. Night was lowest at 47.7% across 86 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 711 | 84.4% | 9.0% | 3.0% |
| Late morning | 464 | 82.5% | 9.7% | 3.2% |
| Afternoon | 830 | 78.3% | 13.4% | 1.6% |
| Evening | 725 | 58.1% | 30.1% | 2.2% |
| Night | 86 | 47.7% | 38.4% | 3.5% |
Which weekday was most reliable for BOS to RDU?
Among qualifying BOS-to-RDU weekday results, Wednesday had the highest on-time rate: 81.0% of 379 flights. Sunday was lowest at 68.9% across 440 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 440 | 73.0% | 17.0% | 4.8% |
| Tuesday | 381 | 79.0% | 13.6% | 2.4% |
| Wednesday | 379 | 81.0% | 11.9% | 0.8% |
| Thursday | 429 | 69.5% | 20.3% | 2.3% |
| Friday | 440 | 73.2% | 18.0% | 2.3% |
| Saturday | 307 | 79.2% | 13.7% | 1.6% |
| Sunday | 440 | 68.9% | 20.7% | 2.3% |
Which airline was most reliable for BOS to RDU?
Among qualifying BOS-to-RDU airline results, Republic Airways had the highest on-time rate: 79.4% of 136 flights. JetBlue Airways was lowest at 72.0% across 1,084 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,437 | 75.7% | 16.3% | 2.4% |
| JetBlue Airways | 1,084 | 72.0% | 18.5% | 2.6% |
| Frontier Airlines | 159 | 74.2% | 13.8% | 0.0% |
| Republic Airways | 136 | 79.4% | 11.0% | 3.7% |
Which month was most reliable for BOS to RDU?
Among qualifying BOS-to-RDU month results, April 2026 had the highest on-time rate: 82.4% of 245 flights. January 2026 was lowest at 68.2% across 170 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 230 | 75.7% | 17.4% | 1.7% |
| August 2025 | 230 | 73.9% | 16.1% | 0.9% |
| September 2025 | 256 | 72.7% | 21.1% | 1.2% |
| October 2025 | 292 | 71.9% | 19.2% | 2.4% |
| November 2025 | 249 | 76.3% | 17.3% | 1.2% |
| December 2025 | 249 | 69.1% | 21.3% | 1.2% |
| January 2026 | 170 | 68.2% | 15.9% | 10.0% |
| February 2026 | 168 | 68.5% | 18.5% | 7.1% |
| March 2026 | 224 | 71.9% | 18.8% | 2.7% |
| April 2026 | 245 | 82.4% | 9.8% | 0.4% |
| May 2026 | 261 | 82.0% | 10.3% | 0.4% |
| June 2026 | 242 | 76.4% | 15.3% | 3.7% |
What drove BOS to RDU delay minutes?
Late aircraft was the largest recorded BOS-to-RDU delay category, accounting for 48.5% of 49,402 BTS-attributed delay minutes during July 2025–June 2026.
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