Best Time to Fly BOS to SAN
Boston to San Diego — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BOS → SAN on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 449 |
| February | 1% | 0% | 423 |
| March | 1% | 0% | 513 |
| April | 1% | 0% | 497 |
| May | 1% | 0% | 636 |
| June | 1% | 0% | 656 |
| July | 1% | 0% | 667 |
| August | 1% | 0% | 441 |
| September | 1% | 0% | 371 |
| October | 1% | 0% | 451 |
| November | 1% | 0% | 375 |
| December | 1% | 0% | 371 |
Frequently asked
What is the best month to fly from BOS to SAN?
January has the highest on-time rate at 1% for flights from Boston to San Diego.
What is the worst month to fly BOS to SAN?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BOS to SAN flights delayed?
On average, 1% of flights from BOS to SAN arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.