Which departure time was most reliable for RDU to LAS?
Among qualifying RDU-to-LAS departure window results, Early morning had the highest on-time rate: 88.5% of 452 flights. Afternoon was lowest at 66.9% across 169 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 452 | 88.5% | 6.6% | 0.9% |
| Afternoon | 169 | 66.9% | 14.8% | 1.2% |
Which weekday was most reliable for RDU to LAS?
Among qualifying RDU-to-LAS weekday results, Thursday had the highest on-time rate: 88.0% of 100 flights. Sunday was lowest at 77.0% across 100 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 105 | 81.9% | 8.6% | 1.9% |
| Tuesday | 89 | 86.5% | 6.7% | 0.0% |
| Wednesday | 86 | 82.6% | 9.3% | 0.0% |
| Thursday | 100 | 88.0% | 8.0% | 0.0% |
| Friday | 101 | 78.2% | 11.9% | 0.0% |
| Saturday | 102 | 80.4% | 10.8% | 2.0% |
| Sunday | 100 | 77.0% | 12.0% | 2.0% |
Which airline was most reliable for RDU to LAS?
Among qualifying RDU-to-LAS airline results, Delta Air Lines had the highest on-time rate: 89.5% of 333 flights. Southwest Airlines was lowest at 75.5% across 322 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 333 | 89.5% | 5.1% | 0.9% |
| Southwest Airlines | 322 | 75.5% | 13.0% | 0.6% |
| Frontier Airlines | 28 | 67.9% | 25.0% | 3.6% |
Which month was most reliable for RDU to LAS?
Among qualifying RDU-to-LAS month results, April 2026 had the highest on-time rate: 90.0% of 60 flights. October 2025 was lowest at 73.3% across 60 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 78 | 83.3% | 11.5% | 1.3% |
| August 2025 | 66 | 80.3% | 10.6% | 0.0% |
| September 2025 | 51 | 78.4% | 11.8% | 0.0% |
| October 2025 | 60 | 73.3% | 10.0% | 0.0% |
| November 2025 | 56 | 87.5% | 8.9% | 0.0% |
| December 2025 | 57 | 89.5% | 8.8% | 0.0% |
| January 2026 | 62 | 75.8% | 14.5% | 8.1% |
| February 2026 | 56 | 83.9% | 8.9% | 0.0% |
| March 2026 | 62 | 87.1% | 9.7% | 0.0% |
| April 2026 | 60 | 90.0% | 5.0% | 0.0% |
| May 2026 | 62 | 79.0% | 6.5% | 0.0% |
What drove RDU to LAS delay minutes?
Late aircraft was the largest recorded RDU-to-LAS delay category, accounting for 42.0% of 5,491 BTS-attributed delay minutes during July 2025–June 2026.
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