Route · CHA → ORD · 2020–2025 BTS data
Chattanooga to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CHA to ORD (Chattanooga to Chicago) ranks #3285 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 77.8%
- On-time
- -1.2 pts
- vs US avg
- 95 min
- Delay when late
- 3,031
- Flights
- #3285 of 4927
- Corpus placement
Cancelled
1.7%
Best Month
Dec 2023 91%
Worst Month
Jan 2025 62%
Distance
501 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 22 | 2 | 0 | YX,MQ,OO |
| Nov 2025 | 118 | 26 | 8 | 0 | OO,YX |
| Oct 2025 | 132 | 39 | 0 | 0 | OO,YX |
| Sep 2025 | 58 | 16 | 0 | 1 | OO |
| Apr 2025 | 60 | 17 | 2 | 0 | OO |
| Feb 2025 | 37 | 14 | 0 | 0 | OO |
| Jan 2025 | 85 | 32 | 4 | 0 | OO |
| Dec 2024 | 88 | 23 | 0 | 0 | OO,YX |
| Nov 2024 | 89 | 20 | 0 | 0 | YX,OO |
| Oct 2024 | 93 | 15 | 0 | 0 | OO,YX |
| Sep 2024 | 90 | 15 | 0 | 0 | OO |
| Aug 2024 | 92 | 28 | 1 | 0 | OO |
| Jul 2024 | 92 | 25 | 2 | 0 | OO |
| Jun 2024 | 90 | 18 | 2 | 0 | OO |
| May 2024 | 90 | 31 | 1 | 0 | OO |
| Apr 2024 | 86 | 22 | 2 | 1 | OO |
| Mar 2024 | 84 | 10 | 0 | 0 | OO |
| Feb 2024 | 79 | 13 | 1 | 0 | OO |
| Jan 2024 | 85 | 31 | 8 | 1 | OO |
| Dec 2023 | 87 | 8 | 0 | 0 | OO,YX |
| Nov 2023 | 89 | 15 | 0 | 0 | YX,OO |
| Oct 2023 | 93 | 12 | 0 | 0 | OO |
| Sep 2023 | 88 | 13 | 1 | 0 | OO |
| Aug 2023 | 85 | 11 | 1 | 0 | OO |
CHA–ORD seasonal on-time pattern
Best: March (85.4%) · weakest: January (68.9%)
Strongest calendar month
March
85.4% on-time · ~62 flights/mo
Busiest calendar month
October
~87 flights/mo avg
Weakest calendar month
January
68.9% on-time · ~74 flights/mo
Cancellation Rate
1.7%
35 of 2,052 flights
Diversion Rate
0.1%
3 of 2,052 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHA - Chattanooga
Full on-time, delay-cause, and seasonal performance for Chattanooga, TN.
CHA on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See CHA and ORD side by side on delays, cancellations, and reliability.
Compare CHA vs ORDOrigin-hub reliability standing
Mid-pack among CHA departures
From CHA, this corridor sits with 3 other 75–85% on-time routes out of 4 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #3884 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CHA–ORD.
Routes with a similar on-time rate
What the Data Says About CHA to ORD
The Chattanooga to Chicago corridor (CHA to ORD) posts a 77.8% on-time rate on the lower edge of the average band, based on 3,031 tracked flights. Late flights run 94.9 minutes behind on average. 6 carriers cover the 501-mile route; over the last 24 months, 35 of 2,052 flights were cancelled (1.7%) and 0.1% diverted.
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 91% on-time, while Jan 2025 came in at just 62% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, CHA–ORD peaks in March at 85.4% on-time while October carries the heaviest traffic (~87 flights per month) ; the softest month is January at 68.9%, a 16.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CHA to ORD rank among US routes by traffic? ▼
How often are flights delayed from CHA to ORD? ▼
What is the cancellation rate for CHA to ORD? ▼
How far is the flight from CHA to ORD? ▼
When is the best time to fly from CHA 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 CHA–ORD data
CHA–ORD is mid-pack at 77.8% on-time; month and carrier mix move more than the corridor headline.
- Compare CHA and ORD airport profiles: delay causes and top routes differ even on the same corridor. CHA airport
- If your dates flex, March (85.4% on-time) beats January (68.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 77.8% 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.