Scott AFB MidAmerica St Louis in July 2025

71.3%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 July 2025, reporting carriers scheduled 178 domestic departures from Scott AFB MidAmerica St Louis (BLV). 71.3% left less than 15 minutes late and 65.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so BLV departures were 1.6 points above the national departure figure.

A year earlier, in July 2024, the airport had 150 departures with 59.3% leaving on time: a change of +12.0 points, with flights up 19%.

Flights arriving at BLV that month were on time 76.4% of the time (178 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 59%, national aviation system 15% and extreme weather 14%.

On time 65.2%
Arrived 15+ minutes late 34.3%
Cancelled 0.0%
Diverted 0.6%

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

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

Measure	Jul 2025	Jul 2024	BLV, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	71.3%	59.3%	72.4%	69.7%
Arrived on time	65.2%	58.7%	69.2%	69.0%
Cancelled	0.0%	5.3%	0.9%	2.5%
Average departure delay (late minutes only)	21.6 min	35.4 min	32.4 min	24.3 min
Scheduled departures a day	6	5	4	21,048
Scheduled departures	178	150	1,395	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	178	100%	65.2%	14.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BLV–VPS	Belleville to Valparaiso	52	67.3%	14.2 min	0.0%
BLV–PGD	Belleville to Punta Gorda	26	69.2%	13.6 min	0.0%
BLV–PIE	Belleville to St. Petersburg	19	68.4%	14.4 min	0.0%
BLV–SFB	Belleville to Sanford	18	33.3%	49.7 min	0.0%
BLV–JAX	Belleville to Jacksonville	9	22.2%	33.9 min	0.0%
BLV–MYR	Belleville to Myrtle Beach	9	66.7%	19.0 min	0.0%
BLV–TYS	Belleville to Knoxville	9	100.0%	-13.2 min	0.0%
BLV–FLL	Belleville to Fort Lauderdale	8	87.5%	-1.1 min	0.0%
BLV–GUF	Belleville to Gulf Shores	8	87.5%	-16.6 min	0.0%
BLV–LAS	Belleville to Las Vegas	8	62.5%	2.4 min	0.0%
BLV–SRQ	Belleville to Sarasota/Bradenton	8	87.5%	-0.5 min	0.0%
BLV–SAV	Belleville to Savannah	4	25.0%	34.5 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	12.2%	31.1%	484
Late-arriving aircraft	58.5%	40.8%	2,316
National Aviation System	15.4%	20.7%	612
Extreme weather	13.9%	7.3%	550
Security	0.0%	0.1%	0

3,962 delay minutes on 61 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 July 2025?

71.3% of 178 scheduled domestic departures left less than 15 minutes late, and 65.2% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 59.3% of 150 departures left on time and 5.3% were cancelled, against 71.3% and 0.0% in July 2025.

Provenance

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