Route · ORD → ILM · 2020–2025 BTS data
Chicago to Wilmington
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to ILM (Chicago to Wilmington) ranks #4674 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.4%
- On-time
- +1.4 pts
- vs US avg
- 70 min
- Delay when late
- 780
- Flights
- #4674 of 4927
- Corpus placement
Cancelled
0.4%
Best Month
Aug 2024 82%
Worst Month
Jul 2025 64%
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 | 2 | 0 | 0 | MQ |
| Aug 2025 | 70 | 15 | 0 | 0 | AA,OO,YX,MQ |
| Jul 2025 | 105 | 38 | 0 | 0 | AA,OO,YX,MQ |
| Jun 2025 | 96 | 28 | 2 | 1 | AA,OO,YX,MQ |
| Aug 2024 | 62 | 11 | 0 | 0 | MQ,YX,OO |
| Jul 2024 | 43 | 10 | 0 | 0 | MQ,OO,YX |
| Jun 2024 | 37 | 4 | 1 | 0 | MQ,OO,YX |
| Aug 2023 | 33 | 3 | 0 | 0 | MQ,YX |
| Jul 2023 | 36 | 9 | 0 | 0 | MQ,YX |
| Jun 2023 | 34 | 4 | 0 | 0 | MQ,YX |
| Jul 2022 | 36 | 3 | 0 | 0 | OO,YX |
| Jun 2022 | 32 | 5 | 0 | 0 | OO,MQ |
| Sep 2021 | 31 | 1 | 0 | 0 | YX |
| Aug 2021 | 35 | 7 | 0 | 0 | MQ,YX |
| Jul 2021 | 36 | 6 | 0 | 0 | MQ |
| Jun 2021 | 32 | 5 | 0 | 0 | MQ |
Cancellation Rate
0.4%
3 of 780 flights
Diversion Rate
0.1%
1 of 780 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileILM - Wilmington
Full on-time, delay-cause, and seasonal performance for Wilmington, NC.
ILM on-time profileCompare the two airports
See ORD and ILM side by side on delays, cancellations, and reliability.
Compare ORD vs ILMOrigin-hub reliability standing
Mid-pack among ORD departures
From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Wilmington · fleet on-time rank #2990 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–ILM.
Routes with a similar on-time rate
What the Data Says About ORD to ILM
780 tracked flights put the ORD to ILM pairing (Chicago to Wilmington) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 70.4 minutes on average. Across the 760-mile route and its 8 carriers, the trailing 24 months show 0.4% cancelled and 0.1% diverted (780 flights sampled).
The monthly split is wide on this route: Aug 2024 posted the strongest performance at 82% on-time, while Jul 2025 came in at just 64% - a 18-point swing worth factoring into travel timing.
On the multi-year calendar, ORD–ILM peaks in September at 95.2% on-time while July carries the heaviest traffic (~51 flights per month) ; the softest month is July at 74.2%, a 21.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ORD to ILM rank among US routes by traffic? ▼
How often are flights delayed from ORD to ILM? ▼
What is the cancellation rate for ORD to ILM? ▼
How far is the flight from ORD to ILM? ▼
When is the best time to fly from ORD to ILM? ▼
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 ORD–ILM data
ORD–ILM is mid-pack at 80.4% on-time; month and carrier mix move more than the corridor headline.
- Compare ORD and ILM airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
- If your dates flex, September (95.2% on-time) beats July (74.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.4% 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.