Central Il Regional Airport at Bloomington in August 2023

84.7%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 August 2023, reporting carriers scheduled 163 domestic departures from Central Il Regional Airport at Bloomington (BMI). 84.7% left less than 15 minutes late and 81.6% reached their destination on time; 0.6% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so BMI departures were 8.0 points above the national departure figure.

Flights arriving at BMI that month were on time 82.2% of the time (163 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 28% and extreme weather 19%.

On time 81.6%
Arrived 15+ minutes late 17.8%
Cancelled 0.6%
Diverted 0.0%

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

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

Measure	Aug 2023	Year earlier	BMI, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	84.7%	—	82.8%	76.7%
Arrived on time	81.6%	—	81.0%	76.9%
Cancelled	0.6%	—	2.1%	1.5%
Average departure delay (late minutes only)	13.8 min	—	15.6 min	17.3 min
Scheduled departures a day	5	—	5	20,100
Scheduled departures	163	—	1,953	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	70	43%	80.0%	3.0 min	1.4%
MQ Envoy Air	62	38%	85.5%	0.3 min	0.0%
G4 Allegiant Air	17	10%	82.4%	-8.8 min	0.0%
F9 Frontier Airlines	14	9%	71.4%	41.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BMI–ATL	Bloomington/Normal to Atlanta	62	80.6%	3.6 min	1.6%
BMI–DFW	Bloomington/Normal to Dallas/Fort Worth	62	85.5%	0.3 min	0.0%
BMI–DEN	Bloomington/Normal to Denver	14	71.4%	41.5 min	0.0%
BMI–SFB	Bloomington/Normal to Sanford	9	88.9%	-12.7 min	0.0%
BMI–DTW	Bloomington/Normal to Detroit	8	75.0%	-1.1 min	0.0%
BMI–PIE	Bloomington/Normal to St. Petersburg	8	75.0%	-4.4 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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	47.8%	36.7%	1,063
Late-arriving aircraft	28.0%	42.2%	622
National Aviation System	5.6%	15.7%	125
Extreme weather	18.6%	5.1%	414
Security	0.0%	0.2%	0

2,224 delay minutes on 29 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 August 2023?

84.7% of 163 scheduled domestic departures left less than 15 minutes late, and 81.6% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 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 August 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.