University of Illinois/Willard in June 2024

75.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In June 2024, reporting carriers scheduled 116 domestic departures from University of Illinois/Willard (CMI). 75.0% left less than 15 minutes late and 76.7% reached their destination on time; 0.0% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so CMI departures were 1.3 points above the national departure figure.

Flights arriving at CMI that month were on time 65.5% of the time (116 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, late-arriving aircraft 28% and extreme weather 12%.

On time 76.7%
Arrived 15+ minutes late 23.3%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from CMI in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

Measure	Jun 2024	Year earlier	CMI, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	75.0%	—	79.7%	73.7%
Arrived on time	76.7%	—	77.6%	73.9%
Cancelled	0.0%	—	3.0%	1.3%
Average departure delay (late minutes only)	28.8 min	—	18.0 min	19.7 min
Scheduled departures a day	4	—	5	20,371
Scheduled departures	116	—	1,785	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	116	100%	76.7%	15.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CMI–DFW	Champaign/Urbana to Dallas/Fort Worth	60	78.3%	15.0 min	0.0%
CMI–ORD	Champaign/Urbana to Chicago	56	75.0%	16.7 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	51.6%	34.4%	1,619
Late-arriving aircraft	27.6%	41.5%	867
National Aviation System	8.8%	17.8%	276
Extreme weather	12.0%	6.0%	376
Security	0.0%	0.2%	0

3,138 delay minutes on 27 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left CMI on time in June 2024?

75.0% of 116 scheduled domestic departures left less than 15 minutes late, and 76.7% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for CMI · methodology · corrections.