Central Il Regional Airport at Bloomington in December 2023

86.6%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 2023, reporting carriers scheduled 142 domestic departures from Central Il Regional Airport at Bloomington (BMI). 86.6% left less than 15 minutes late and 85.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so BMI departures were 3.5 points above the national departure figure.

Flights arriving at BMI that month were on time 89.4% of the time (142 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 27% and national aviation system 25%.

On time 85.2%
Arrived 15+ minutes late 14.8%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from BMI in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	BMI, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	86.6%	—	82.8%	83.1%
Arrived on time	85.2%	—	81.0%	83.8%
Cancelled	0.0%	—	2.1%	0.4%
Average departure delay (late minutes only)	6.9 min	—	15.6 min	11.6 min
Scheduled departures a day	5	—	5	19,013
Scheduled departures	142	—	1,953	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
9E Endeavor Air	62	44%	87.1%	-8.5 min	0.0%
MQ Envoy Air	61	43%	85.2%	-7.2 min	0.0%
G4 Allegiant Air	19	13%	78.9%	2.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BMI–ATL	Bloomington/Normal to Atlanta	62	87.1%	-8.5 min	0.0%
BMI–DFW	Bloomington/Normal to Dallas/Fort Worth	61	85.2%	-7.2 min	0.0%
BMI–SFB	Bloomington/Normal to Sanford	10	80.0%	-1.4 min	0.0%
BMI–PIE	Bloomington/Normal to St. Petersburg	9	77.8%	7.4 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	48.0%	37.1%	410
Late-arriving aircraft	26.6%	38.8%	227
National Aviation System	25.4%	17.6%	217
Extreme weather	0.0%	6.2%	0
Security	0.0%	0.3%	0

854 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 BMI on time in December 2023?

86.6% of 142 scheduled domestic departures left less than 15 minutes late, and 85.2% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 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 December 2023; 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.