Best Time to Fly BOS to MIA
Boston to Miami — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BOS → MIA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 1,298 |
| February | 1% | 0% | 1,252 |
| March | 1% | 0% | 1,366 |
| April | 1% | 0% | 1,465 |
| May | 1% | 0% | 1,288 |
| June | 1% | 0% | 1,107 |
| July | 1% | 0% | 1,137 |
| August | 1% | 0% | 910 |
| September | 1% | 0% | 768 |
| October | 1% | 0% | 841 |
| November | 1% | 0% | 899 |
| December | 1% | 0% | 1,018 |
Frequently asked
What is the best month to fly from BOS to MIA?
January has the highest on-time rate at 1% for flights from Boston to Miami.
What is the worst month to fly BOS to MIA?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BOS to MIA flights delayed?
On average, 1% of flights from BOS to MIA arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.