Route · ALO → ORD · 2020–2025 BTS data
Waterloo to Chicago
The ALO–ORD corridor (Waterloo, IA → Chicago, IL) runs ahead of the national average, served by 1 carrier across roughly 234 miles.
Data updated 2026-06-13
- 84.2%
- On-time
- +5.2 pts
- vs US avg
- 79 min
- Delay when late
- 1,987
- Flights
Cancelled
3.1%
Best Month
Oct 2022 98%
Worst Month
Jul 2025 61%
Distance
234 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 56 | 21 | 5 | 0 | MQ |
| Nov 2025 | 54 | 11 | 3 | 0 | MQ |
| Oct 2025 | 61 | 18 | 0 | 0 | MQ |
| Sep 2025 | 52 | 10 | 0 | 0 | MQ |
| Aug 2025 | 55 | 16 | 0 | 1 | MQ |
| Jul 2025 | 61 | 24 | 1 | 0 | MQ |
| Jun 2025 | 51 | 13 | 0 | 0 | MQ |
| Feb 2023 | 35 | 4 | 1 | 0 | MQ |
| Jan 2023 | 40 | 9 | 3 | 0 | MQ |
| Dec 2022 | 61 | 16 | 3 | 0 | MQ |
| Nov 2022 | 58 | 8 | 1 | 0 | MQ |
| Oct 2022 | 60 | 1 | 1 | 0 | MQ |
| Sep 2022 | 51 | 10 | 0 | 0 | MQ |
| Aug 2022 | 57 | 12 | 5 | 0 | MQ |
| Jul 2022 | 58 | 14 | 1 | 0 | MQ |
| Jun 2022 | 56 | 12 | 0 | 0 | MQ |
| May 2022 | 61 | 12 | 0 | 0 | MQ |
| Apr 2022 | 60 | 10 | 2 | 0 | MQ |
| Mar 2022 | 62 | 2 | 1 | 0 | MQ |
| Feb 2022 | 55 | 5 | 5 | 0 | MQ |
| Jan 2022 | 58 | 4 | 5 | 0 | MQ |
| Dec 2021 | 59 | 2 | 2 | 0 | MQ |
| Nov 2021 | 56 | 1 | 0 | 0 | MQ |
| Oct 2021 | 53 | 6 | 2 | 0 | MQ |
Cancellation Rate
3.1%
41 of 1,330 flights
Diversion Rate
0.1%
1 of 1,330 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ALO - Waterloo
Full on-time, delay-cause, and seasonal performance for Waterloo, IA.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See ALO and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ALO–ORD.
Routes with a similar on-time rate
What the Data Says About ALO to ORD
Bureau of Transportation Statistics records show Waterloo to Chicago (ALO to ORD) running a 84.2% on-time rate over 1,987 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 79.4 minutes. The 234-mile corridor is served by 1 carrier, and over the last 24 months 3.1% of 1,330 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Oct 2022 posted the strongest performance at 98% on-time, while Jul 2025 came in at just 61% - a 38-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.