Best Time to Fly PHX to BOS
Phoenix to Boston — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
PHX → BOS on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 699 |
| February | 1% | 0% | 665 |
| March | 1% | 0% | 759 |
| April | 1% | 0% | 726 |
| May | 1% | 0% | 725 |
| June | 1% | 0% | 639 |
| July | 1% | 0% | 630 |
| August | 1% | 0% | 490 |
| September | 1% | 0% | 455 |
| October | 1% | 0% | 503 |
| November | 1% | 0% | 518 |
| December | 1% | 0% | 578 |
Frequently asked
What is the best month to fly from PHX to BOS?
January has the highest on-time rate at 1% for flights from Phoenix to Boston.
What is the worst month to fly PHX to BOS?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are PHX to BOS flights delayed?
On average, 1% of flights from PHX to BOS arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.