Route · CHS → ORD · 2020–2025 BTS data
Charleston to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CHS to ORD (Charleston to Chicago) ranks #1644 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.7%
- On-time
- +4.7 pts
- vs US avg
- 78 min
- Delay when late
- 7,642
- Flights
- #1644 of 4927
- Corpus placement
Cancelled
1.6%
Best Month
Sep 2024 97%
Worst Month
Jul 2025 70%
Distance
760 mi
Carriers
36
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 172 | 44 | 4 | 1 | YX,MQ,UA,OO |
| Nov 2025 | 178 | 44 | 6 | 1 | UA,MQ,YX |
| Oct 2025 | 176 | 31 | 0 | 0 | AA,UA,YX,MQ |
| Sep 2025 | 145 | 30 | 0 | 0 | MQ,UA,YX,AA |
| Aug 2025 | 139 | 22 | 5 | 1 | AA,YX,MQ,UA |
| Jul 2025 | 171 | 52 | 5 | 0 | AA,UA,YX,MQ |
| Jun 2025 | 168 | 29 | 1 | 1 | AA,UA,YX,MQ |
| May 2025 | 157 | 41 | 0 | 1 | AA,UA,YX,MQ |
| Apr 2025 | 151 | 38 | 3 | 0 | MQ,UA,YX,AA |
| Mar 2025 | 151 | 23 | 1 | 0 | YX,UA,MQ |
| Feb 2025 | 106 | 19 | 1 | 0 | UA,YX,MQ |
| Jan 2025 | 84 | 12 | 7 | 0 | YX,UA |
| Dec 2024 | 105 | 23 | 0 | 0 | MQ,OO,UA,YX |
| Nov 2024 | 109 | 13 | 0 | 0 | OO,YX,UA,MQ |
| Oct 2024 | 120 | 5 | 0 | 0 | UA,MQ,OO,YX |
| Sep 2024 | 119 | 4 | 1 | 0 | YX,UA,MQ |
| Aug 2024 | 116 | 19 | 3 | 0 | AA,MQ,YX,OO,UA |
| Jul 2024 | 111 | 12 | 3 | 0 | AA,MQ,OO,UA,YX |
| Jun 2024 | 136 | 19 | 2 | 0 | AA,MQ,OO,UA,YX |
| May 2024 | 122 | 25 | 1 | 1 | MQ,YX,OO,UA |
| Apr 2024 | 120 | 15 | 0 | 0 | MQ,UA,YX |
| Mar 2024 | 120 | 14 | 1 | 0 | MQ,YX,UA |
| Feb 2024 | 93 | 6 | 0 | 0 | MQ,OO,UA,YX |
| Jan 2024 | 86 | 18 | 6 | 0 | YX,OO,UA |
CHS–ORD seasonal on-time pattern
Best: September (87.4%) · weakest: July (78.1%)
Strongest calendar month
September
87.4% on-time · ~113 flights/mo
Busiest calendar month
June
~145 flights/mo avg
Weakest calendar month
July
78.1% on-time · ~129 flights/mo
Cancellation Rate
1.6%
50 of 3,155 flights
Diversion Rate
0.2%
6 of 3,155 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
CHS on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See CHS and ORD side by side on delays, cancellations, and reliability.
Compare CHS vs ORDOrigin-hub reliability standing
Mid-pack among CHS departures
From CHS, this corridor sits with 18 other 75–85% on-time routes out of 21 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #1684 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CHS–ORD.
Routes with a similar on-time rate
What the Data Says About CHS to ORD
Bureau of Transportation Statistics records show Charleston to Chicago (CHS to ORD) running a 83.7% on-time rate over 7,642 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.0 minutes. The 760-mile corridor is served by 36 carriers, and over the last 24 months 1.6% of 3,155 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 70% - a 27-point swing worth factoring into travel timing.
On the multi-year calendar, CHS–ORD peaks in September at 87.4% on-time while June carries the heaviest traffic (~145 flights per month) ; the softest month is July at 78.1%, a 9.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CHS to ORD rank among US routes by traffic? ▼
How often are flights delayed from CHS to ORD? ▼
What is the cancellation rate for CHS to ORD? ▼
How far is the flight from CHS to ORD? ▼
When is the best time to fly from CHS 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 CHS–ORD data
CHS–ORD runs 4.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare CHS and ORD airport profiles: delay causes and top routes differ even on the same corridor. CHS airport
- If your dates flex, September (87.4% on-time) beats July (78.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.7% 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.