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Route · DLH → ORD · 2020–2025 BTS data

Duluth to Chicago

The DLH–ORD corridor (Duluth, MN → Chicago, IL) runs ahead of the national average, served by 5 carriers across roughly 397 miles.

Data updated 2026-06-13

81.3%
On-time
+2.3 pts
vs US avg
107 min
Delay when late
3,716
Flights

Cancelled

1.7%

Best Month

Feb 2024 95%

Worst Month

Dec 2025 60%

Distance

397 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 63 25 5 0 OO
Nov 2025 89 23 6 1 OO
Oct 2025 115 20 0 0 OO
Sep 2025 119 26 2 1 OO
Aug 2025 106 35 3 0 OO
Jul 2025 113 41 3 0 OO
Jun 2025 109 33 0 0 OO,YX
May 2025 90 14 0 0 OO
Apr 2025 82 18 2 0 OO,YX
Mar 2025 83 24 1 0 OO
Feb 2025 68 17 2 0 OO
Jan 2025 62 14 1 0 YX,OO
Dec 2024 64 13 2 0 OO,YX
Nov 2024 88 8 0 0 OO,YX
Oct 2024 115 9 0 1 OO,YX
Sep 2024 115 11 1 0 YX,OO
Aug 2024 117 29 0 0 YX,OO
Jul 2024 94 9 0 0 OO,YX
Jun 2024 92 19 1 0 OO,YX
May 2024 88 15 3 0 YX,OO
Apr 2024 86 5 0 0 OO,YX
Mar 2024 62 9 1 0 YX,OO
Feb 2024 58 3 0 0 OO
Jan 2024 62 21 4 0 OO

Cancellation Rate

1.7%

37 of 2,140 flights

Diversion Rate

0.1%

3 of 2,140 flights

What the Data Says About DLH to ORD

3,716 tracked flights put the DLH to ORD pairing (Duluth to Chicago) at a 81.3% on-time rate, squarely in line with the wider network. Delays that do occur run 107.2 minutes on average. Across the 397-mile route and its 5 carriers, the trailing 24 months show 1.7% cancelled and 0.1% diverted (2,140 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 60% - a 35-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from DLH to ORD?
Flights from Duluth to Chicago have a 81.3% on-time rate based on 3,716 flights. The average delay is 107.2 minutes. The best recent month was Feb 2024 with 95% on-time.
What is the cancellation rate for DLH to ORD?
Over the last 24 months, 1.7% of flights on this route were cancelled (37 of 2,140 flights) and 0.1% were diverted.
How far is the flight from DLH to ORD?
The flight distance from Duluth (DLH) to Chicago (ORD) is approximately 397 miles. This route is served by 5 carriers.
When is the best time to fly from DLH to ORD?
The best recent month for on-time performance was Feb 2024 (95% on-time). The worst was Dec 2025 (60% 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.