Scott AFB MidAmerica St Louis in June 2025

70.9%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 June 2025, reporting carriers scheduled 179 domestic departures from Scott AFB MidAmerica St Louis (BLV). 70.9% left less than 15 minutes late and 66.5% reached their destination on time; 1.1% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so BLV departures were 0.5 points below the national departure figure.

A year earlier, in June 2024, the airport had 146 departures with 73.3% leaving on time: a change of −2.4 points, with flights up 23%.

Flights arriving at BLV that month were on time 72.1% of the time (179 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 73%, national aviation system 14% and air carrier 9%.

On time 66.5%
Arrived 15+ minutes late 31.8%
Cancelled 1.1%
Diverted 0.6%

Every scheduled departure from BLV in June 2025, judged by arrival at the destination.

June 2025 against a year earlier, the airport's year and the nation

Measure	Jun 2025	Jun 2024	BLV, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	70.9%	73.3%	72.4%	71.4%
Arrived on time	66.5%	73.3%	69.2%	70.3%
Cancelled	1.1%	2.1%	0.9%	1.6%
Average departure delay (late minutes only)	24.7 min	24.0 min	32.4 min	22.1 min
Scheduled departures a day	6	5	4	20,386
Scheduled departures	179	146	1,395	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	179	100%	66.5%	20.2 min	1.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLV–VPS	Belleville to Valparaiso	52	57.7%	29.1 min	0.0%
BLV–PGD	Belleville to Punta Gorda	26	92.3%	0.9 min	0.0%
BLV–PIE	Belleville to St. Petersburg	17	52.9%	19.2 min	5.9%
BLV–SFB	Belleville to Sanford	17	64.7%	21.5 min	0.0%
BLV–FLL	Belleville to Fort Lauderdale	9	88.9%	9.4 min	0.0%
BLV–GUF	Belleville to Gulf Shores	9	77.8%	9.6 min	0.0%
BLV–JAX	Belleville to Jacksonville	9	11.1%	94.1 min	11.1%
BLV–LAS	Belleville to Las Vegas	9	88.9%	4.2 min	0.0%
BLV–MYR	Belleville to Myrtle Beach	9	66.7%	7.6 min	0.0%
BLV–SRQ	Belleville to Sarasota/Bradenton	9	66.7%	17.4 min	0.0%
BLV–TYS	Belleville to Knoxville	9	66.7%	2.3 min	0.0%
BLV–SAV	Belleville to Savannah	4	75.0%	35.8 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	9.1%	31.6%	410
Late-arriving aircraft	72.7%	40.6%	3,292
National Aviation System	14.2%	20.9%	643
Extreme weather	4.1%	6.9%	184
Security	0.0%	0.2%	0

4,529 delay minutes on 57 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 BLV on time in June 2025?

70.9% of 179 scheduled domestic departures left less than 15 minutes late, and 66.5% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 73.3% of 146 departures left on time and 2.1% were cancelled, against 70.9% and 1.1% in June 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BLV · methodology · corrections.