Best Time to Fly SAN to JFK: On-Time Stats by Hour & Airline
San Diego International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.5% of San Diego (SAN) to New York (JFK) flights arrived on time (2,415 scheduled flights). That is 5.9 points above the national average of 77.6%.
Among 3 airlines, Alaska Airlines led with 84.0% on time and JetBlue was last with 83.3%.
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (74%).
The cancellation rate was 2.9% (US average 1.8%).
SAN to JFK on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 84.0% | 51 min | 1.5% | 650 |
| Delta Air Lines | 83.4% | 111 min | 3.1% | 1,040 |
| JetBlue | 83.3% | 106 min | 3.7% | 725 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to JFK
On-time arrival % by scheduled departure hour (local time), 4,848 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 87.1% | 0.8% | 243 |
| 7am–8am | 84.2% | 2.0% | 1,033 |
| 8am–9am | 58.8% | 5.4% | 37 |
| 9am–10am | Limited data | 26 | |
| 10am–11am | 73.9% | 0.8% | 258 |
| 11am–12pm | 72.5% | 2.6% | 305 |
| 12pm–1pm | 79.7% | 2.1% | 237 |
| 1pm–2pm | 73.2% | 1.8% | 679 |
| 2pm–3pm | 70.1% | 4.3% | 94 |
| 3pm–4pm | 74.1% | 3.3% | 60 |
| 4pm–5pm | Limited data | 1 | |
| 8pm–9pm | 83.5% | 2.3% | 342 |
| 9pm–10pm | 84.8% | 2.6% | 880 |
| 10pm–11pm | 85.4% | 1.2% | 653 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN to JFK
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 80.2% | -2.6 pts | 0.0% | 96 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.0% | -13.7 pts | 3.9% | 206 |
| Summer peak (Jun 15 - Aug 15) | 75.7% | -7.1 pts | 4.1% | 858 |
| All other days | 82.8% | — | 1.5% | 3,688 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).