Best Time to Fly JFK to SMF: On-Time Stats by Hour & Airline
John F. Kennedy International → Sacramento International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 60.1% of New York (JFK) to Sacramento (SMF) flights arrived on time (165 scheduled flights). That is 17.5 points below the national average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (78% on time) and July the worst month (42%).
The cancellation rate was 3.0% (US average 1.8%).
JFK to SMF 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 |
|---|---|---|---|---|
| JetBlue | 60.1% | 61 min | 3.0% | 165 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JFK to SMF
On-time arrival % by scheduled departure hour (local time), 345 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5pm–6pm | Limited data | 2 | |
| 6pm–7pm | 61.6% | 2.4% | 330 |
| 7pm–8pm | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JFK to SMF
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 41.7% | -29.6 pts | 6.5% | 124 |
| All other days | 71.4% | — | 0.0% | 221 |
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).