Which departure time was most reliable for PHL to LAX?
Among qualifying PHL-to-LAX departure window results, Early morning had the highest on-time rate: 87.1% of 597 flights. Night was lowest at 61.5% across 117 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 597 | 87.1% | 5.7% | 1.7% |
| Late morning | 473 | 82.7% | 11.0% | 0.6% |
| Afternoon | 612 | 78.6% | 12.6% | 0.5% |
| Evening | 619 | 64.1% | 20.4% | 2.6% |
| Night | 117 | 61.5% | 23.1% | 1.7% |
Which weekday was most reliable for PHL to LAX?
Among qualifying PHL-to-LAX weekday results, Wednesday had the highest on-time rate: 80.5% of 333 flights. Sunday was lowest at 72.9% across 358 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 353 | 74.5% | 14.2% | 2.8% |
| Tuesday | 336 | 79.5% | 10.7% | 0.9% |
| Wednesday | 333 | 80.5% | 11.4% | 0.3% |
| Thursday | 356 | 73.6% | 16.3% | 0.6% |
| Friday | 356 | 80.1% | 10.7% | 1.1% |
| Saturday | 326 | 78.2% | 13.8% | 0.9% |
| Sunday | 358 | 72.9% | 14.2% | 3.1% |
Which airline was most reliable for PHL to LAX?
Among qualifying PHL-to-LAX airline results, American Airlines had the highest on-time rate: 77.3% of 2,329 flights. Frontier Airlines was lowest at 67.1% across 85 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 2,329 | 77.3% | 12.6% | 1.5% |
| Frontier Airlines | 85 | 67.1% | 25.9% | 0.0% |
| Spirit Airlines | 4 | 75.0% | 0.0% | 0.0% |
Which month was most reliable for PHL to LAX?
Among qualifying PHL-to-LAX month results, September 2025 had the highest on-time rate: 86.7% of 211 flights. December 2025 was lowest at 65.7% across 175 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 263 | 67.7% | 21.7% | 3.4% |
| August 2025 | 252 | 75.4% | 15.9% | 0.4% |
| September 2025 | 211 | 86.7% | 6.6% | 0.5% |
| October 2025 | 243 | 83.1% | 7.4% | 0.0% |
| November 2025 | 169 | 81.1% | 8.9% | 0.0% |
| December 2025 | 175 | 65.7% | 17.1% | 0.6% |
| January 2026 | 154 | 72.1% | 13.0% | 5.8% |
| February 2026 | 139 | 75.5% | 9.4% | 4.3% |
| March 2026 | 155 | 84.5% | 9.0% | 1.3% |
| April 2026 | 198 | 80.8% | 12.1% | 0.0% |
| May 2026 | 224 | 80.4% | 11.2% | 0.0% |
| June 2026 | 235 | 71.9% | 19.6% | 2.1% |
What drove PHL to LAX delay minutes?
Late aircraft was the largest recorded PHL-to-LAX delay category, accounting for 38.3% of 36,360 BTS-attributed delay minutes during July 2025–June 2026.
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