Best Time to Fly BOI to SJC
Boise to San Jose — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BOI → SJC on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 215 |
| February | 1% | 0% | 185 |
| March | 1% | 0% | 203 |
| April | 1% | 0% | 211 |
| May | 1% | 0% | 224 |
| June | 1% | 0% | 254 |
| July | 1% | 0% | 269 |
| August | 1% | 0% | 197 |
| September | 1% | 0% | 187 |
| October | 1% | 0% | 191 |
| November | 1% | 0% | 166 |
| December | 1% | 0% | 156 |
Frequently asked
What is the best month to fly from BOI to SJC?
January has the highest on-time rate at 1% for flights from Boise to San Jose.
What is the worst month to fly BOI to SJC?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BOI to SJC flights delayed?
On average, 1% of flights from BOI to SJC arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.