Best Time to Fly ORD to ROC
Chicago to Rochester — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
ORD → ROC on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 516 |
| February | 1% | 0% | 516 |
| March | 1% | 0% | 541 |
| April | 1% | 0% | 587 |
| May | 1% | 0% | 637 |
| June | 1% | 0% | 557 |
| July | 1% | 0% | 696 |
| August | 1% | 0% | 481 |
| September | 1% | 0% | 517 |
| October | 1% | 0% | 466 |
| November | 1% | 0% | 497 |
| December | 1% | 0% | 471 |
Frequently asked
What is the best month to fly from ORD to ROC?
January has the highest on-time rate at 1% for flights from Chicago to Rochester.
What is the worst month to fly ORD to ROC?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are ORD to ROC flights delayed?
On average, 1% of flights from ORD to ROC arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.