Best Time to Fly ORD to MIA
Chicago 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
ORD → MIA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 1,550 |
| February | 1% | 0% | 1,441 |
| March | 1% | 0% | 1,664 |
| April | 1% | 0% | 1,461 |
| May | 1% | 0% | 1,459 |
| June | 1% | 0% | 1,322 |
| July | 1% | 0% | 1,348 |
| August | 1% | 0% | 1,009 |
| September | 1% | 0% | 959 |
| October | 1% | 0% | 1,037 |
| November | 1% | 0% | 1,076 |
| December | 1% | 0% | 1,233 |
Frequently asked
What is the best month to fly from ORD to MIA?
January has the highest on-time rate at 1% for flights from Chicago to Miami.
What is the worst month to fly ORD to MIA?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are ORD to MIA flights delayed?
On average, 1% of flights from ORD to MIA arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.