Route · BOI → ORD · 2020–2025 BTS data
Boise to Chicago
The BOI–ORD corridor (Boise, ID → Chicago, IL) runs ahead of the national average, served by 21 carriers across roughly 1,437 miles.
Data updated 2026-06-13
- 84.7%
- On-time
- +5.7 pts
- vs US avg
- 85 min
- Delay when late
- 5,058
- Flights
Cancelled
0.4%
Best Month
Jan 2025 98%
Worst Month
Nov 2025 69%
Distance
1,437 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 104 | 29 | 1 | 0 | MQ,UA,OO |
| Nov 2025 | 88 | 27 | 3 | 0 | OO,UA,MQ,AA |
| Oct 2025 | 92 | 14 | 0 | 0 | AA,OO,UA |
| Sep 2025 | 91 | 25 | 0 | 0 | UA,OO,AA |
| Aug 2025 | 93 | 27 | 0 | 3 | AA,OO,MQ,UA |
| Jul 2025 | 93 | 26 | 0 | 1 | OO,UA,MQ |
| Jun 2025 | 86 | 14 | 0 | 1 | OO,UA,MQ |
| May 2025 | 62 | 8 | 0 | 0 | OO,UA |
| Apr 2025 | 60 | 3 | 0 | 0 | OO |
| Mar 2025 | 63 | 7 | 0 | 0 | OO |
| Feb 2025 | 50 | 8 | 0 | 0 | OO |
| Jan 2025 | 52 | 1 | 0 | 0 | OO |
| Dec 2024 | 62 | 13 | 0 | 0 | OO |
| Nov 2024 | 59 | 8 | 0 | 0 | OO |
| Oct 2024 | 62 | 9 | 0 | 0 | OO |
| Sep 2024 | 60 | 6 | 0 | 0 | OO |
| Aug 2024 | 62 | 5 | 0 | 1 | OO,UA |
| Jul 2024 | 62 | 13 | 0 | 0 | OO,UA |
| Jun 2024 | 60 | 6 | 1 | 0 | OO,UA |
| May 2024 | 61 | 15 | 0 | 4 | OO,UA |
| Apr 2024 | 30 | 5 | 0 | 0 | OO |
| Mar 2024 | 32 | 2 | 0 | 0 | OO |
| Jan 2024 | 31 | 7 | 1 | 0 | OO,UA |
| Dec 2023 | 31 | 2 | 0 | 0 | UA |
Cancellation Rate
0.4%
6 of 1,546 flights
Diversion Rate
0.6%
10 of 1,546 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See BOI 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 BOI–ORD.
Routes with a similar on-time rate
What the Data Says About BOI to ORD
Bureau of Transportation Statistics records show Boise to Chicago (BOI to ORD) running a 84.7% on-time rate over 5,058 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 85.3 minutes. The 1,437-mile corridor is served by 21 carriers, and over the last 24 months 0.4% of 1,546 flights were cancelled, 0.6% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 98% on-time, while Nov 2025 came in at just 69% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from BOI to ORD? ▼
What is the cancellation rate for BOI to ORD? ▼
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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.