Best Time to Fly BWI to MDW
Baltimore to Chicago — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
BWI → MDW on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0.1% | 572 |
| February | 1% | 0% | 512 |
| March | 1% | 0% | 579 |
| April | 1% | 0% | 630 |
| May | 1% | 0% | 686 |
| June | 1% | 0% | 684 |
| July | 1% | 0% | 729 |
| August | 1% | 0% | 540 |
| September | 1% | 0% | 525 |
| October | 1% | 0% | 559 |
| November | 1% | 0% | 465 |
| December | 1% | 0% | 447 |
Frequently asked
What is the best month to fly from BWI to MDW?
January has the highest on-time rate at 1% for flights from Baltimore to Chicago.
What is the worst month to fly BWI to MDW?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are BWI to MDW flights delayed?
On average, 1% of flights from BWI to MDW arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.