Central Il Regional Airport at Bloomington in December 2024

88.6%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 December 2024, reporting carriers scheduled 149 domestic departures from Central Il Regional Airport at Bloomington (BMI). 88.6% left less than 15 minutes late and 84.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so BMI departures were 10.8 points above the national departure figure.

A year earlier, in December 2023, the airport had 142 departures with 86.6% leaving on time: a change of +2.0 points, with flights up 5%.

Flights arriving at BMI that month were on time 87.9% of the time (149 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 35%, extreme weather 29% and national aviation system 23%.

On time 84.6%
Arrived 15+ minutes late 14.8%
Cancelled 0.0%
Diverted 0.7%

Every scheduled departure from BMI in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	BMI, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	88.6%	86.6%	82.8%	77.8%
Arrived on time	84.6%	85.2%	81.0%	78.1%
Cancelled	0.0%	0.0%	2.1%	0.7%
Average departure delay (late minutes only)	9.7 min	6.9 min	15.6 min	16.6 min
Scheduled departures a day	5	5	5	19,686
Scheduled departures	149	142	1,953	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
9E Endeavor Air	63	42%	87.3%	-3.9 min	0.0%
MQ Envoy Air	61	41%	86.9%	-0.4 min	0.0%
G4 Allegiant Air	25	17%	72.0%	7.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BMI–ATL	Bloomington/Normal to Atlanta	63	87.3%	-3.9 min	0.0%
BMI–DFW	Bloomington/Normal to Dallas/Fort Worth	61	86.9%	-0.4 min	0.0%
BMI–SFB	Bloomington/Normal to Sanford	13	69.2%	9.5 min	0.0%
BMI–PIE	Bloomington/Normal to St. Petersburg	12	75.0%	5.1 min	0.0%

By scheduled departure hour

100

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

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

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	12.5%	34.3%	175
Late-arriving aircraft	35.4%	40.2%	494
National Aviation System	23.3%	17.8%	325
Extreme weather	28.8%	7.5%	403
Security	0.0%	0.2%	0

1,397 delay minutes on 22 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 BMI on time in December 2024?

88.6% of 149 scheduled domestic departures left less than 15 minutes late, and 84.6% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 86.6% of 142 departures left on time and 0.0% were cancelled, against 88.6% and 0.0% in December 2024.

Provenance

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