Best Time to Fly BOS to DEN
Boston to Denver — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BOS → DEN on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 1,002 |
| February | 1% | 0% | 936 |
| March | 1% | 0% | 1,126 |
| April | 1% | 0% | 1,087 |
| May | 1% | 0% | 1,267 |
| June | 1% | 0% | 1,416 |
| July | 1% | 0% | 1,556 |
| August | 1% | 0% | 1,166 |
| September | 1% | 0% | 1,002 |
| October | 1% | 0% | 1,022 |
| November | 1% | 0% | 857 |
| December | 1% | 0% | 878 |
Frequently asked
What is the best month to fly from BOS to DEN?
January has the highest on-time rate at 1% for flights from Boston to Denver.
What is the worst month to fly BOS to DEN?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BOS to DEN flights delayed?
On average, 1% of flights from BOS to DEN arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.