Central Il Regional Airport at Bloomington in May 2026

86.7%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 May 2026, reporting carriers scheduled 181 domestic departures from Central Il Regional Airport at Bloomington (BMI). 86.7% left less than 15 minutes late and 86.7% reached their destination on time; 0.6% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so BMI departures were 9.6 points above the national departure figure.

A year earlier, in May 2025, the airport had 169 departures with 85.8% leaving on time: a change of +0.9 points, with flights up 7%.

Flights arriving at BMI that month were on time 80.1% of the time (181 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 35%, late-arriving aircraft 35% and national aviation system 18%.

On time 86.7%
Arrived 15+ minutes late 12.7%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from BMI in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	BMI, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	86.7%	85.8%	82.8%	77.1%
Arrived on time	86.7%	85.2%	81.0%	77.6%
Cancelled	0.6%	0.0%	2.1%	0.9%
Average departure delay (late minutes only)	13.7 min	10.8 min	15.6 min	16.0 min
Scheduled departures a day	6	6	5	20,391
Scheduled departures	181	169	1,953	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	156	86%	90.4%	-5.3 min	0.6%
G4 Allegiant Air	25	14%	64.0%	49.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BMI–ORD	Bloomington/Normal to Chicago	93	93.5%	-6.7 min	0.0%
BMI–DFW	Bloomington/Normal to Dallas/Fort Worth	63	85.7%	-3.1 min	1.6%
BMI–SFB	Bloomington/Normal to Sanford	10	40.0%	123.6 min	0.0%
BMI–PIE	Bloomington/Normal to St. Petersburg	9	88.9%	-9.6 min	0.0%
BMI–AZA	Bloomington/Normal to Phoenix	6	66.7%	15.0 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	35.4%	33.0%	902
Late-arriving aircraft	35.0%	40.4%	891
National Aviation System	17.7%	20.5%	450
Extreme weather	11.7%	6.0%	297
Security	0.2%	0.1%	6

2,546 delay minutes on 23 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 May 2026?

86.7% of 181 scheduled domestic departures left less than 15 minutes late, and 86.7% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 85.8% of 169 departures left on time and 0.0% were cancelled, against 86.7% and 0.6% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.