ILM to ORD flight delays
Wilmington, NC (ILM) Chicago, IL (ORD) · 760 miles
558 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
75.28%
Arrived on time
Within 15 minutes of schedule
2.33%
Cancelled
Share of scheduled flights
82 min
When late, late by
Average across delayed arrivals
21 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Which airline you fly changes the odds here. Envoy Air arrived on time 11.6 points more often than SkyWest Airlines over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The season swings this route hard. In October it ran 45 points more punctual than in July — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
The route has been getting better. The later months in the record run 16.3 points more punctual than the earlier ones, which usually means a schedule that was too tight has been given more room.
This is a thin route — 558 flights across the whole period. On a route this infrequent a cancellation is far more costly than the rate suggests, because the next departure may not be the same day.
Which airline should you fly on this route?
Over January 2025 – August 2026, Envoy Air arrived on time most often on ILM to ORD. SkyWest Airlines was late most often. Flights ran closest to schedule in October and worst in July.
Every airline on ILM to ORD
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Envoy Air | 339 | 81.27% | 1.77% | 72 min | C |
| SkyWest Airlines | 104 | 69.7% | 4.81% | 103 min | F |
| Republic Airways | 75 | 67.12% | 2.67% | 67 min | — |
| American Airlines | 40 | 53.85% | 0% | 100 min | — |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
ORD to ILM Chicago back to Wilmington 78.95% on time CCommon questions
Are flights from Wilmington to Chicago usually delayed?
75.28% of flights on the ILM to ORD route arrived within 15 minutes of schedule, so roughly 2 in every ten arrived late. That is about the same as the average route in this record.
Which airline is most on time from Wilmington to Chicago?
Envoy Air, at 81.27% on time across 339 flights. The least punctual on the route was SkyWest Airlines at 69.7%.
How often are ILM to ORD flights cancelled?
2.33% of scheduled flights did not operate — about 23 in every thousand. That is in the normal range.
What is the best month to fly Wilmington to Chicago?
October, when 93.5% of flights arrived on time. The worst was July at 48.5%.
When ILM to ORD flights are late, how late are they?
About 82 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on ILM to ORD during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →