Central Il Regional Airport at Bloomington in September 2023

91.7%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 September 2023, reporting carriers scheduled 145 domestic departures from Central Il Regional Airport at Bloomington (BMI). 91.7% left less than 15 minutes late and 90.3% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so BMI departures were 11.2 points above the national departure figure.

Flights arriving at BMI that month were on time 90.3% of the time (145 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 67%, air carrier 16% and national aviation system 12%.

On time 90.3%
Arrived 15+ minutes late 9.0%
Cancelled 0.0%
Diverted 0.7%

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

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

Measure	Sep 2023	Year earlier	BMI, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	91.7%	—	82.8%	80.5%
Arrived on time	90.3%	—	81.0%	80.1%
Cancelled	0.0%	—	2.1%	1.2%
Average departure delay (late minutes only)	6.2 min	—	15.6 min	14.1 min
Scheduled departures a day	5	—	5	18,978
Scheduled departures	145	—	1,953	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	60	41%	86.7%	2.1 min	0.0%
9E Endeavor Air	52	36%	92.3%	-1.9 min	0.0%
G4 Allegiant Air	17	12%	94.1%	-8.5 min	0.0%
F9 Frontier Airlines	9	6%	88.9%	-10.8 min	0.0%
OO SkyWest Airlines	7	5%	100.0%	-15.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BMI–DFW	Bloomington/Normal to Dallas/Fort Worth	60	86.7%	2.1 min	0.0%
BMI–ATL	Bloomington/Normal to Atlanta	58	93.1%	-3.2 min	0.0%
BMI–DEN	Bloomington/Normal to Denver	9	88.9%	-10.8 min	0.0%
BMI–PIE	Bloomington/Normal to St. Petersburg	9	88.9%	-3.8 min	0.0%
BMI–SFB	Bloomington/Normal to Sanford	8	100.0%	-13.7 min	0.0%
BMI–DTW	Bloomington/Normal to Detroit	1	100.0%	-17.0 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	16.0%	36.4%	138
Late-arriving aircraft	67.2%	38.3%	581
National Aviation System	11.6%	19.9%	100
Extreme weather	5.3%	5.1%	46
Security	0.0%	0.2%	0

865 delay minutes on 13 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 September 2023?

91.7% of 145 scheduled domestic departures left less than 15 minutes late, and 90.3% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 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 September 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.