Scott AFB MidAmerica St Louis in August 2025

74.1%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 2025, reporting carriers scheduled 135 domestic departures from Scott AFB MidAmerica St Louis (BLV). 74.1% left less than 15 minutes late and 70.4% reached their destination on time; 0.0% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so BLV departures were 2.7 points below the national departure figure.

A year earlier, in August 2024, the airport had 105 departures with 68.6% leaving on time: a change of +5.5 points, with flights up 29%.

Flights arriving at BLV that month were on time 75.6% of the time (135 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 57%, air carrier 30% and national aviation system 8%.

On time 70.4%
Arrived 15+ minutes late 29.6%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Aug 2025	Aug 2024	BLV, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	74.1%	68.6%	72.4%	76.8%
Arrived on time	70.4%	68.6%	69.2%	76.3%
Cancelled	0.0%	3.8%	0.9%	1.1%
Average departure delay (late minutes only)	31.1 min	33.6 min	32.4 min	17.6 min
Scheduled departures a day	5	4	4	20,079
Scheduled departures	135	105	1,395	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	135	100%	70.4%	23.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLV–VPS	Belleville to Valparaiso	41	75.6%	32.2 min	0.0%
BLV–PGD	Belleville to Punta Gorda	16	68.8%	4.6 min	0.0%
BLV–PIE	Belleville to St. Petersburg	15	73.3%	7.7 min	0.0%
BLV–SFB	Belleville to Sanford	13	38.5%	72.2 min	0.0%
BLV–FLL	Belleville to Fort Lauderdale	9	66.7%	0.2 min	0.0%
BLV–GUF	Belleville to Gulf Shores	9	100.0%	-21.6 min	0.0%
BLV–SRQ	Belleville to Sarasota/Bradenton	9	88.9%	-17.0 min	0.0%
BLV–LAS	Belleville to Las Vegas	6	100.0%	-12.5 min	0.0%
BLV–JAX	Belleville to Jacksonville	5	20.0%	54.0 min	0.0%
BLV–MYR	Belleville to Myrtle Beach	5	60.0%	24.6 min	0.0%
BLV–TYS	Belleville to Knoxville	5	40.0%	149.0 min	0.0%
BLV–SAV	Belleville to Savannah	2	100.0%	-8.0 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	30.0%	33.1%	1,352
Late-arriving aircraft	56.5%	40.5%	2,548
National Aviation System	7.8%	19.2%	352
Extreme weather	5.8%	7.0%	261
Security	0.0%	0.1%	0

4,513 delay minutes on 40 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 August 2025?

74.1% of 135 scheduled domestic departures left less than 15 minutes late, and 70.4% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 68.6% of 105 departures left on time and 3.8% were cancelled, against 74.1% and 0.0% in August 2025.

Provenance

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