Route · BZN → ORD · 2020–2025 BTS data
Bozeman to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BZN to ORD (Bozeman to Chicago) ranks #2530 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.9%
- On-time
- +1.9 pts
- vs US avg
- 98 min
- Delay when late
- 4,882
- Flights
- #2530 of 4927
- Corpus placement
Cancelled
0.7%
Best Month
May 2025 97%
Worst Month
Jul 2024 65%
Distance
1,185 mi
Carriers
29
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 83 | 27 | 0 | 0 | AA,MQ,UA |
| Nov 2025 | 31 | 10 | 0 | 0 | UA,AA |
| Oct 2025 | 115 | 19 | 1 | 0 | AA,UA,MQ |
| Sep 2025 | 133 | 31 | 0 | 0 | UA,OO,AA |
| Aug 2025 | 144 | 40 | 4 | 3 | AA,OO,UA |
| Jul 2025 | 142 | 48 | 2 | 1 | AA,OO,UA |
| Jun 2025 | 134 | 26 | 0 | 2 | AA,OO,UA |
| May 2025 | 70 | 2 | 0 | 0 | OO,UA |
| Apr 2025 | 33 | 6 | 1 | 0 | UA,AA |
| Mar 2025 | 84 | 20 | 0 | 0 | AA,OO,UA |
| Feb 2025 | 67 | 21 | 0 | 0 | AA,OO,UA |
| Jan 2025 | 80 | 24 | 0 | 0 | AA,OO,UA,MQ |
| Dec 2024 | 86 | 15 | 0 | 0 | AA,MQ,OO,UA |
| Nov 2024 | 34 | 5 | 0 | 0 | OO,MQ |
| Oct 2024 | 88 | 14 | 0 | 0 | UA,MQ,OO,AA |
| Sep 2024 | 90 | 11 | 0 | 0 | OO,UA,AA |
| Aug 2024 | 88 | 21 | 1 | 0 | AA,UA |
| Jul 2024 | 83 | 29 | 2 | 1 | AA,UA |
| Jun 2024 | 78 | 10 | 0 | 0 | AA,UA |
| May 2024 | 59 | 11 | 0 | 2 | UA |
| Apr 2024 | 42 | 7 | 1 | 0 | AA,UA |
| Mar 2024 | 83 | 11 | 0 | 0 | AA,UA |
| Feb 2024 | 66 | 7 | 0 | 0 | AA,UA |
| Jan 2024 | 76 | 19 | 2 | 0 | AA,UA |
BZN–ORD seasonal on-time pattern
Best: May (91.1%) · weakest: July (73.0%)
Strongest calendar month
May
91.1% on-time · ~47 flights/mo
Busiest calendar month
August
~89 flights/mo avg
Weakest calendar month
July
73.0% on-time · ~87 flights/mo
Cancellation Rate
0.7%
14 of 1,989 flights
Diversion Rate
0.5%
9 of 1,989 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BZN - Bozeman
Full on-time, delay-cause, and seasonal performance for Bozeman, MT.
BZN on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See BZN and ORD side by side on delays, cancellations, and reliability.
Compare BZN vs ORDOrigin-hub reliability standing
Mid-pack among BZN departures
From BZN, this corridor sits with 6 other 75–85% on-time routes out of 11 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 2 below 75%). Destination: Chicago · fleet on-time rank #2772 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BZN–ORD.
Routes with a similar on-time rate
What the Data Says About BZN to ORD
4,882 tracked flights put the BZN to ORD pairing (Bozeman to Chicago) at a 80.9% on-time rate, squarely in line with the wider network. Delays that do occur run 97.8 minutes on average. Across the 1,185-mile route and its 29 carriers, the trailing 24 months show 0.7% cancelled and 0.5% diverted (1,989 flights sampled).
The monthly split is wide on this route: May 2025 posted the strongest performance at 97% on-time, while Jul 2024 came in at just 65% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, BZN–ORD peaks in May at 91.1% on-time while August carries the heaviest traffic (~89 flights per month) ; the softest month is July at 73.0%, a 18.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BZN to ORD rank among US routes by traffic? ▼
How often are flights delayed from BZN to ORD? ▼
What is the cancellation rate for BZN to ORD? ▼
How far is the flight from BZN to ORD? ▼
When is the best time to fly from BZN to ORD? ▼
Airports on this route
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.
Using BZN–ORD data
BZN–ORD is mid-pack at 80.9% on-time; month and carrier mix move more than the corridor headline.
- Compare BZN and ORD airport profiles: delay causes and top routes differ even on the same corridor. BZN airport
- If your dates flex, May (91.1% on-time) beats July (73.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.