Which departure time was most reliable for JFK to PHX?
Among qualifying JFK-to-PHX departure window results, Early morning had the highest on-time rate: 82.3% of 945 flights. Night was lowest at 56.8% across 44 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 945 | 82.3% | 8.5% | 3.1% |
| Late morning | 174 | 72.4% | 18.4% | 2.3% |
| Afternoon | 671 | 76.8% | 13.6% | 3.0% |
| Evening | 1,138 | 70.8% | 19.2% | 2.2% |
| Night | 44 | 56.8% | 22.7% | 2.3% |
Which weekday was most reliable for JFK to PHX?
Among qualifying JFK-to-PHX weekday results, Saturday had the highest on-time rate: 79.9% of 388 flights. Sunday was lowest at 70.1% across 445 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 447 | 75.6% | 13.4% | 4.5% |
| Tuesday | 415 | 77.3% | 12.3% | 3.6% |
| Wednesday | 401 | 74.3% | 18.0% | 1.7% |
| Thursday | 435 | 75.9% | 15.6% | 0.7% |
| Friday | 441 | 77.3% | 14.3% | 1.8% |
| Saturday | 388 | 79.9% | 12.4% | 1.3% |
| Sunday | 445 | 70.1% | 15.7% | 4.7% |
Which airline was most reliable for JFK to PHX?
Among qualifying JFK-to-PHX airline results, American Airlines had the highest on-time rate: 80.1% of 1,524 flights. JetBlue Airways was lowest at 70.8% across 531 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,524 | 80.1% | 12.1% | 2.2% |
| Delta Air Lines | 917 | 71.3% | 16.5% | 3.3% |
| JetBlue Airways | 531 | 70.8% | 18.1% | 2.8% |
Which month was most reliable for JFK to PHX?
Among qualifying JFK-to-PHX month results, April 2026 had the highest on-time rate: 85.6% of 278 flights. December 2025 was lowest at 60.7% across 270 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 203 | 70.4% | 20.2% | 3.0% |
| August 2025 | 203 | 84.2% | 8.9% | 1.5% |
| September 2025 | 197 | 78.2% | 14.2% | 0.5% |
| October 2025 | 235 | 73.6% | 17.0% | 1.7% |
| November 2025 | 247 | 75.3% | 18.2% | 1.6% |
| December 2025 | 270 | 60.7% | 24.4% | 4.4% |
| January 2026 | 276 | 73.6% | 10.9% | 6.9% |
| February 2026 | 248 | 73.8% | 12.5% | 7.7% |
| March 2026 | 289 | 79.9% | 12.5% | 2.1% |
| April 2026 | 278 | 85.6% | 10.4% | 0.0% |
| May 2026 | 269 | 79.6% | 10.4% | 1.5% |
| June 2026 | 257 | 73.9% | 15.6% | 0.4% |
What drove JFK to PHX delay minutes?
Late aircraft was the largest recorded JFK-to-PHX delay category, accounting for 36.9% of 47,947 BTS-attributed delay minutes during July 2025–June 2026.
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