Which departure time was most reliable for BWI to LAS?
Among qualifying BWI-to-LAS departure window results, Early morning had the highest on-time rate: 90.8% of 578 flights. Night was lowest at 56.6% across 76 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 578 | 90.8% | 4.3% | 0.2% |
| Late morning | 232 | 84.5% | 7.3% | 1.3% |
| Afternoon | 442 | 71.3% | 15.2% | 0.5% |
| Evening | 483 | 68.3% | 19.3% | 2.3% |
| Night | 76 | 56.6% | 23.7% | 2.6% |
Which weekday was most reliable for BWI to LAS?
Among qualifying BWI-to-LAS weekday results, Tuesday had the highest on-time rate: 82.1% of 257 flights. Sunday was lowest at 72.6% across 274 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 268 | 78.4% | 14.2% | 1.5% |
| Tuesday | 257 | 82.1% | 10.9% | 0.4% |
| Wednesday | 262 | 80.9% | 11.8% | 0.4% |
| Thursday | 267 | 74.2% | 12.4% | 1.1% |
| Friday | 266 | 76.7% | 13.9% | 0.8% |
| Saturday | 217 | 80.6% | 8.8% | 0.5% |
| Sunday | 274 | 72.6% | 12.4% | 2.6% |
Which airline was most reliable for BWI to LAS?
Among qualifying BWI-to-LAS airline results, Spirit Airlines had the highest on-time rate: 85.6% of 181 flights. Southwest Airlines was lowest at 76.9% across 1,630 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,630 | 76.9% | 12.4% | 1.1% |
| Spirit Airlines | 181 | 85.6% | 9.9% | 0.6% |
Which month was most reliable for BWI to LAS?
Among qualifying BWI-to-LAS month results, November 2025 had the highest on-time rate: 87.8% of 156 flights. July 2025 was lowest at 63.2% across 171 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 171 | 63.2% | 21.1% | 4.7% |
| August 2025 | 160 | 86.2% | 6.9% | 0.0% |
| September 2025 | 168 | 81.5% | 10.1% | 0.0% |
| October 2025 | 186 | 85.5% | 9.1% | 0.0% |
| November 2025 | 156 | 87.8% | 5.8% | 0.6% |
| December 2025 | 152 | 69.7% | 14.5% | 0.7% |
| January 2026 | 128 | 71.1% | 14.8% | 3.9% |
| February 2026 | 113 | 84.1% | 6.2% | 1.8% |
| March 2026 | 144 | 79.2% | 11.8% | 1.4% |
| April 2026 | 145 | 75.2% | 12.4% | 0.0% |
| May 2026 | 149 | 83.2% | 10.7% | 0.0% |
| June 2026 | 139 | 65.5% | 22.3% | 0.0% |
What drove BWI to LAS delay minutes?
Late aircraft was the largest recorded BWI-to-LAS delay category, accounting for 33.6% of 20,973 BTS-attributed delay minutes during July 2025–June 2026.
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