BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORDILM

Chicago, IL (ORD) to Wilmington, NC (ILM) flight delay odds

Historically, 78.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 558 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
78.0%arrived on time
14.9%30+ min late
1.3%cancelled
558scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning20188.1%7.0%0.0%
Late morning19177.0%17.3%0.5%
Afternoon6759.7%31.3%0.0%
Evening9872.4%14.3%6.1%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday7978.5%12.7%2.5%
Tuesday7080.0%11.4%2.9%
Wednesday7380.8%11.0%0.0%
Thursday8576.5%14.1%1.2%
Friday8479.8%15.5%0.0%
Saturday8375.9%19.3%1.2%
Sunday8475.0%19.0%1.2%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air33981.1%11.5%1.5%
SkyWest Airlines10481.7%14.4%0.0%
Republic Airways7570.7%20.0%2.7%
American Airlines4055.0%35.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202510563.8%27.6%0.0%
August 20257078.6%17.1%0.0%
September 20253193.5%3.2%0.0%
October 20253193.5%3.2%0.0%
November 2025250.0%50.0%0.0%
January 2026425.0%50.0%25.0%
February 20263886.8%7.9%0.0%
March 20266665.2%24.2%4.5%
April 20265780.7%7.0%3.5%
May 20266886.8%8.8%1.5%
June 20268683.7%9.3%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline20.3%
Late aircraft54.1%
National airspace17.5%
Weather8.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.