Route · ILM → ORD · 2020–2025 BTS data
Wilmington to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ILM to ORD (Wilmington to Chicago) ranks #4675 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 75%
- On-time
- -4 pts
- vs US avg
- 79 min
- Delay when late
- 779
- Flights
- #4675 of 4927
- Corpus placement
Cancelled
1.8%
Best Month
Aug 2025 69%
Worst Month
Jul 2025 50%
Distance
760 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 31 | 2 | 0 | 0 | MQ |
| Sep 2025 | 31 | 3 | 0 | 0 | MQ |
| Aug 2025 | 70 | 22 | 4 | 0 | AA,OO,YX,MQ |
| Jul 2025 | 105 | 52 | 3 | 1 | AA,OO,YX,MQ |
| Jun 2025 | 96 | 37 | 3 | 0 | AA,OO,YX,MQ |
| Aug 2024 | 62 | 21 | 0 | 0 | MQ,YX,OO |
| Jul 2024 | 43 | 8 | 0 | 0 | MQ,OO,YX |
| Jun 2024 | 37 | 3 | 1 | 0 | MQ,OO,YX |
| Aug 2023 | 33 | 4 | 0 | 0 | MQ,YX |
| Jul 2023 | 36 | 10 | 3 | 0 | MQ,YX |
| Jun 2023 | 34 | 3 | 0 | 0 | MQ,YX |
| Jul 2022 | 36 | 8 | 0 | 0 | OO,YX |
| Jun 2022 | 32 | 6 | 0 | 0 | OO,MQ |
| Sep 2021 | 31 | 3 | 0 | 0 | YX |
| Aug 2021 | 34 | 5 | 0 | 0 | MQ,YX |
| Jul 2021 | 36 | 2 | 0 | 0 | MQ |
| Jun 2021 | 32 | 6 | 0 | 1 | MQ |
Cancellation Rate
1.8%
14 of 779 flights
Diversion Rate
0.3%
2 of 779 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ILM - Wilmington
Full on-time, delay-cause, and seasonal performance for Wilmington, NC.
ILM on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See ILM and ORD side by side on delays, cancellations, and reliability.
Compare ILM vs ORDOrigin-hub reliability standing
Mid-pack among ILM departures
From ILM, this corridor sits with 5 other 75–85% on-time routes out of 8 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 1 below 75%). Destination: Chicago · fleet on-time rank #4469 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ILM–ORD.
Routes with a similar on-time rate
What the Data Says About ILM to ORD
The Wilmington to Chicago corridor (ILM to ORD) posts a 75% on-time rate on the lower edge of the average band, based on 779 tracked flights. Late flights run 79.2 minutes behind on average. 8 carriers cover the 760-mile route; over the last 24 months, 14 of 779 flights were cancelled (1.8%) and 0.3% diverted.
The monthly split is wide on this route: Aug 2025 posted the strongest performance at 69% on-time, while Jul 2025 came in at just 50% - a 18-point swing worth factoring into travel timing.
On the multi-year calendar, ILM–ORD peaks in October at 93.5% on-time while July carries the heaviest traffic (~51 flights per month) ; the softest month is July at 68.8%, a 24.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ILM to ORD rank among US routes by traffic? ▼
How often are flights delayed from ILM to ORD? ▼
What is the cancellation rate for ILM to ORD? ▼
How far is the flight from ILM to ORD? ▼
When is the best time to fly from ILM 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 ILM–ORD data
ILM–ORD is mid-pack at 75% on-time; month and carrier mix move more than the corridor headline.
- Compare ILM and ORD airport profiles: delay causes and top routes differ even on the same corridor. ILM airport
- If your dates flex, October (93.5% on-time) beats July (68.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 75% 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.