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Route · ORD → DBQ · 2020–2025 BTS data

Chicago to Dubuque

The ORD–DBQ corridor (Chicago, IL → Dubuque, IA) runs ahead of the national average, served by 1 carrier across roughly 147 miles.

Data updated 2026-06-13

85.8%
On-time
+6.8 pts
vs US avg
73 min
Delay when late
1,392
Flights

Cancelled

3.5%

Best Month

Nov 2021 98%

Worst Month

Oct 2021 78%

Distance

147 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Aug 2022 62 5 3 0 MQ
Jul 2022 62 11 0 0 MQ
Jun 2022 60 7 0 0 MQ
May 2022 62 6 0 1 MQ
Apr 2022 59 11 3 0 MQ
Mar 2022 47 7 1 0 MQ
Feb 2022 42 8 4 0 MQ
Jan 2022 46 9 2 0 MQ
Dec 2021 59 5 4 1 MQ
Nov 2021 81 2 0 0 MQ
Oct 2021 58 13 1 0 MQ
Sep 2021 59 7 0 0 MQ
Aug 2021 57 8 4 0 MQ
Jul 2021 31 14 0 0 MQ
Jun 2021 58 13 0 0 MQ
May 2021 33 3 0 0 MQ
Apr 2021 51 2 0 0 MQ
Mar 2021 31 4 0 0 MQ
Sep 2020 33 0 0 0 MQ
Aug 2020 49 3 0 0 MQ
Jul 2020 43 6 0 0 MQ
Apr 2020 46 1 9 0 MQ
Mar 2020 88 10 11 1 MQ
Feb 2020 82 17 4 1 MQ

Cancellation Rate

3.5%

46 of 1,299 flights

Diversion Rate

0.3%

4 of 1,299 flights

What the Data Says About ORD to DBQ

Chicago to Dubuque (ORD to DBQ) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 1,392 flights, with delays that do happen averaging 72.8 minutes. The corridor runs roughly 147 miles and is served by 1 carrier. Over the most recent 24 months, 46 of 1,299 flights were cancelled (3.5%) and 4 diverted (0.3%).

The monthly split is wide on this route: Nov 2021 posted the strongest performance at 98% on-time, while Oct 2021 came in at just 78% - a 20-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from ORD to DBQ?
Flights from Chicago to Dubuque have a 85.8% on-time rate based on 1,392 flights. The average delay is 72.8 minutes. The best recent month was Nov 2021 with 98% on-time.
What is the cancellation rate for ORD to DBQ?
Over the last 24 months, 3.5% of flights on this route were cancelled (46 of 1,299 flights) and 0.3% were diverted.
How far is the flight from ORD to DBQ?
The flight distance from Chicago (ORD) to Dubuque (DBQ) is approximately 147 miles. This route is served by 1 carrier.
When is the best time to fly from ORD to DBQ?
The best recent month for on-time performance was Nov 2021 (98% on-time). The worst was Oct 2021 (78% 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.