Which departure time was most reliable for STT to JFK?
Among qualifying STT-to-JFK departure window results, Late morning had the highest on-time rate: 78.1% of 105 flights. Evening was lowest at 71.0% across 93 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Late morning | 105 | 78.1% | 12.4% | 1.9% |
| Afternoon | 346 | 74.9% | 14.5% | 2.0% |
| Evening | 93 | 71.0% | 8.6% | 9.7% |
Which weekday was most reliable for STT to JFK?
Among qualifying STT-to-JFK weekday results, Wednesday had the highest on-time rate: 82.7% of 75 flights. Monday was lowest at 64.5% across 76 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 76 | 64.5% | 17.1% | 6.6% |
| Tuesday | 78 | 82.1% | 10.3% | 2.6% |
| Wednesday | 75 | 82.7% | 9.3% | 1.3% |
| Thursday | 75 | 80.0% | 10.7% | 0.0% |
| Friday | 75 | 80.0% | 13.3% | 1.3% |
| Saturday | 88 | 65.9% | 17.0% | 5.7% |
| Sunday | 77 | 70.1% | 13.0% | 5.2% |
Which airline was most reliable for STT to JFK?
Among qualifying STT-to-JFK airline results, Delta Air Lines had the highest on-time rate: 77.8% of 239 flights. American Airlines was lowest at 72.5% across 305 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 305 | 72.5% | 16.4% | 3.0% |
| Delta Air Lines | 239 | 77.8% | 8.8% | 3.8% |
Which month was most reliable for STT to JFK?
Among qualifying STT-to-JFK month results, March 2026 had the highest on-time rate: 83.9% of 62 flights. January 2026 was lowest at 59.7% across 62 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 62 | 75.8% | 16.1% | 0.0% |
| August 2025 | 38 | 68.4% | 18.4% | 7.9% |
| November 2025 | 33 | 78.8% | 18.2% | 0.0% |
| December 2025 | 45 | 68.9% | 24.4% | 2.2% |
| January 2026 | 62 | 59.7% | 11.3% | 14.5% |
| February 2026 | 56 | 66.1% | 10.7% | 7.1% |
| March 2026 | 62 | 83.9% | 11.3% | 0.0% |
| April 2026 | 62 | 82.3% | 14.5% | 0.0% |
| May 2026 | 62 | 82.3% | 3.2% | 1.6% |
| June 2026 | 60 | 78.3% | 10.0% | 0.0% |
What drove STT to JFK delay minutes?
Airline was the largest recorded STT-to-JFK delay category, accounting for 53.5% of 13,213 BTS-attributed delay minutes during July 2025–June 2026.
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