PlainFlights

Route · BWI → ORD · 2020–2025 BTS data

Baltimore to Chicago

The BWI–ORD corridor (Baltimore, MD → Chicago, IL) runs ahead of the national average, served by 42 carriers across roughly 622 miles.

Data updated 2026-06-13

81.3%
On-time
+2.3 pts
vs US avg
77 min
Delay when late
16,274
Flights

Cancelled

1.5%

Best Month

Feb 2024 92%

Worst Month

Dec 2025 63%

Distance

622 mi

Carriers

42

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 205 76 4 1 YX,F9,MQ,UA
Nov 2025 216 55 13 0 UA,F9,MQ,AA,WN,YX
Oct 2025 246 54 0 0 AA,UA,WN,F9,MQ,NK
Sep 2025 248 45 0 0 MQ,UA,WN,OO,NK,F9
Aug 2025 252 61 3 0 OO,WN,YX,F9,MQ,NK,UA
Jul 2025 243 82 10 1 NK,OO,UA,WN,YX,F9,MQ
Jun 2025 237 61 2 0 AA,OO,UA,WN,YX,MQ,NK
May 2025 236 43 2 2 AA,OO,UA,WN,MQ,NK
Apr 2025 209 43 4 0 MQ,UA,WN,AA
Mar 2025 226 50 1 0 UA,WN,MQ
Feb 2025 179 32 1 0 UA,WN,YX,MQ
Jan 2025 180 33 7 0 UA,WN,YX,MQ
Dec 2024 188 28 0 1 MQ,UA,WN,YX
Nov 2024 200 21 0 1 UA,MQ,WN,AA
Oct 2024 248 33 0 1 UA,MQ,WN,AA
Sep 2024 224 20 0 0 WN,UA,AA,MQ
Aug 2024 223 52 4 1 AA,MQ,WN,UA
Jul 2024 227 54 3 2 AA,MQ,UA,WN
Jun 2024 219 44 1 0 AA,MQ,UA,WN
May 2024 227 47 1 0 AA,MQ,UA,WN
Apr 2024 220 28 0 0 AA,MQ,UA,WN
Mar 2024 224 28 1 0 AA,MQ,UA,WN
Feb 2024 205 16 3 0 AA,MQ,UA,WN
Jan 2024 220 55 17 2 AA,MQ,WN,UA

Cancellation Rate

1.5%

77 of 5,302 flights

Diversion Rate

0.2%

12 of 5,302 flights

What the Data Says About BWI to ORD

16,274 tracked flights put the BWI to ORD pairing (Baltimore to Chicago) at a 81.3% on-time rate, squarely in line with the wider network. Delays that do occur run 76.7 minutes on average. Across the 622-mile route and its 42 carriers, the trailing 24 months show 1.5% cancelled and 0.2% diverted (5,302 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 63% - a 29-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from BWI to ORD?
Flights from Baltimore to Chicago have a 81.3% on-time rate based on 16,274 flights. The average delay is 76.7 minutes. The best recent month was Feb 2024 with 92% on-time.
What is the cancellation rate for BWI to ORD?
Over the last 24 months, 1.5% of flights on this route were cancelled (77 of 5,302 flights) and 0.2% were diverted.
How far is the flight from BWI to ORD?
The flight distance from Baltimore (BWI) to Chicago (ORD) is approximately 622 miles. This route is served by 42 carriers.
When is the best time to fly from BWI to ORD?
The best recent month for on-time performance was Feb 2024 (92% on-time). The worst was Dec 2025 (63% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.