University of Illinois/Willard in March 2024

82.3%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 March 2024, reporting carriers scheduled 124 domestic departures from University of Illinois/Willard (CMI). 82.3% left less than 15 minutes late and 83.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so CMI departures were 3.8 points above the national departure figure.

Flights arriving at CMI that month were on time 77.4% of the time (124 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 25% and national aviation system 13%.

On time 83.1%
Arrived 15+ minutes late 16.9%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Mar 2024	Year earlier	CMI, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	82.3%	—	79.7%	78.5%
Arrived on time	83.1%	—	77.6%	78.3%
Cancelled	0.0%	—	3.0%	0.9%
Average departure delay (late minutes only)	24.8 min	—	18.0 min	15.7 min
Scheduled departures a day	4	—	5	19,726
Scheduled departures	124	—	1,785	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	124	100%	83.1%	13.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CMI–DFW	Champaign/Urbana to Dallas/Fort Worth	62	77.4%	28.5 min	0.0%
CMI–ORD	Champaign/Urbana to Chicago	62	88.7%	-1.8 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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	24.7%	32.1%	733
Late-arriving aircraft	53.0%	42.1%	1,569
National Aviation System	13.3%	21.4%	393
Extreme weather	9.0%	4.2%	268
Security	0.0%	0.2%	0

2,963 delay minutes on 21 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 March 2024?

82.3% of 124 scheduled domestic departures left less than 15 minutes late, and 83.1% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 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 March 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.