Route · ORD → DLH · 2020–2025 BTS data
Chicago to Duluth
The ORD–DLH corridor (Chicago, IL → Duluth, MN) runs behind the national average, served by 6 carriers across roughly 397 miles.
Data updated 2026-06-13
- 76.8%
- On-time
- -2.2 pts
- vs US avg
- 77 min
- Delay when late
- 3,685
- Flights
Cancelled
1.5%
Best Month
Apr 2024 94%
Worst Month
Dec 2025 46%
Distance
397 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 63 | 34 | 5 | 0 | OO |
| Nov 2025 | 89 | 36 | 4 | 0 | OO |
| Oct 2025 | 114 | 30 | 0 | 0 | OO |
| Sep 2025 | 119 | 37 | 1 | 1 | OO |
| Aug 2025 | 107 | 33 | 3 | 0 | OO |
| Jul 2025 | 113 | 35 | 2 | 1 | OO |
| Jun 2025 | 109 | 31 | 0 | 1 | OO,YX |
| May 2025 | 90 | 22 | 0 | 0 | OO |
| Apr 2025 | 82 | 20 | 2 | 1 | OO,YX |
| Mar 2025 | 83 | 34 | 0 | 1 | OO |
| Feb 2025 | 68 | 25 | 2 | 0 | OO |
| Jan 2025 | 62 | 14 | 2 | 0 | YX,OO |
| Dec 2024 | 64 | 18 | 1 | 1 | OO,YX |
| Nov 2024 | 88 | 13 | 0 | 0 | OO,YX |
| Oct 2024 | 115 | 11 | 0 | 0 | OO,YX |
| Sep 2024 | 115 | 19 | 1 | 0 | YX,OO |
| Aug 2024 | 117 | 30 | 0 | 0 | YX,OO |
| Jul 2024 | 94 | 19 | 0 | 1 | OO,YX |
| Jun 2024 | 92 | 21 | 1 | 1 | OO,YX |
| May 2024 | 88 | 29 | 1 | 0 | YX,OO |
| Apr 2024 | 86 | 5 | 0 | 0 | OO,YX |
| Mar 2024 | 62 | 6 | 1 | 1 | YX,OO |
| Feb 2024 | 58 | 10 | 0 | 0 | OO |
| Jan 2024 | 62 | 27 | 6 | 0 | OO |
Cancellation Rate
1.5%
32 of 2,140 flights
Diversion Rate
0.4%
9 of 2,140 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →DLH - Duluth
Full on-time, delay-cause, and seasonal performance for Duluth, MN.
Destination airport →Compare the two airports
See ORD and DLH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–DLH.
Routes with a similar on-time rate
What the Data Says About ORD to DLH
The Chicago to Duluth corridor (ORD to DLH) posts a 76.8% on-time rate on the lower edge of the average band, based on 3,685 tracked flights. Late flights run 77.4 minutes behind on average. 6 carriers cover the 397-mile route; over the last 24 months, 32 of 2,140 flights were cancelled (1.5%) and 0.4% diverted.
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 46% - a 48-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.