FlightRecord

Scott AFB/Midamerica Airport (BLV): Delays & On-Time Performance

Data through May 2026

Scott AFB/Midamerica Airport (BLV) is a tale of two seasons: departures ran 80% on-time in April 2026 but sank to 63% in July 2024. Across the year it averages 74% against a national 78%, over roughly 4 departures a day to 12 destinations.

Departures on-time
74%
left <15 min late
Avg dep delay
28 min
Arrivals on-time
77%
Cancelled
1.4%
Destinations
12
nonstop
Airlines
1

Plan your departure from BLV

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 10 a.m.
86% on-time
Best day to fly
Wednesday
86% on-time
Nearest alternative
STL — St. Louis
32 miles away
Cancellation risk
1.4%
below the US average
Check routes from BLV ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at BLV50%75%100%June 2024: 75% on-time (146 flights)75Jun 2024July 2024: 63% on-time (150 flights)63August 2024: 71% on-time (105 flights)71September 2024: 85% on-time (66 flights)85Sep 2024October 2024: 88% on-time (78 flights)88November 2024: 84% on-time (73 flights)84December 2024: 62% on-time (88 flights)62Dec 2024January 2025: 68% on-time (66 flights)68February 2025: 76% on-time (79 flights)76March 2025: 64% on-time (145 flights)64Mar 2025April 2025: 74% on-time (92 flights)74May 2025: 72% on-time (137 flights)72June 2025: 72% on-time (179 flights)72Jun 2025July 2025: 71% on-time (178 flights)71August 2025: 74% on-time (135 flights)74September 2025: 78% on-time (83 flights)78Sep 2025October 2025: 76% on-time (87 flights)76November 2025: 82% on-time (78 flights)82December 2025: 79% on-time (101 flights)79Dec 2025January 2026: 81% on-time (77 flights)81February 2026: 74% on-time (85 flights)74March 2026: 70% on-time (138 flights)70Mar 2026April 2026: 80% on-time (100 flights)80May 2026: 71% on-time (140 flights)71

Best time of day to depart from BLV

On-time percentage by scheduled departure hour at BLV8 a.m.: 86% on-time (256 flights)89 a.m.: 84% on-time (146 flights)910 a.m.: 86% on-time (284 flights)1011 a.m.: 85% on-time (195 flights)1112 p.m.: 84% on-time (121 flights)121 p.m.: 77% on-time (111 flights)132 p.m.: 66% on-time (139 flights)143 p.m.: 68% on-time (188 flights)154 p.m.: 73% on-time (180 flights)165 p.m.: 64% on-time (183 flights)176 p.m.: 65% on-time (160 flights)187 p.m.: 67% on-time (155 flights)198 p.m.: 54% on-time (245 flights)209 p.m.: 70% on-time (230 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday72%25 min
Tuesday76%21 min
Wednesdaybest86%14 min
Thursday70%30 min
Friday74%26 min
Saturday65%35 min
Sunday65%37 min

Next: compare the busiest routes from BLV ↓

Busiest routes from BLV

RouteFlights/12moOn-timeAvg delay
BLV → VPS (Valparaiso)39473%29 min
BLV → PGD (Punta Gorda)22571%24 min
BLV → PIE (St. Petersburg)17369%41 min
BLV → SFB (Sanford)14960%37 min
BLV → SRQ (Sarasota/Bradenton)10883%17 min
BLV → GUF (Gulf Shores)10683%12 min

Where flights into BLV come from

RouteFlights/12moOn-timeAvg delay
VPS (Valparaiso) → BLV39478%22 min
PGD (Punta Gorda) → BLV22479%19 min
PIE (St. Petersburg) → BLV17374%19 min
SFB (Sanford) → BLV14969%20 min
SRQ (Sarasota/Bradenton) → BLV10886%10 min
GUF (Gulf Shores) → BLV10680%25 min

Most reliable routes

  1. BLV → GUF83%
  2. BLV → SRQ83%
  3. BLV → VPS73%
  4. BLV → PGD71%
  5. BLV → PIE69%

Most delay-prone routes

  1. BLV → SFB60%
  2. BLV → PIE69%
  3. BLV → PGD71%
  4. BLV → VPS73%
  5. BLV → SRQ83%

What causes delays at BLV

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing BLV.

  • Late-arriving aircraft54%
  • Airline operations23%
  • National airspace system11%
  • Weather12%

Alternative airports near Belleville

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
STL — St. Louis Lambert International Airport32 mi78%16 min
SPI — Abraham Lincoln Capital Airport90 mi78%19 min
DEC — Decatur Airport103 mi81%27 min

Compare the airport-level record first, then check the exact route you plan to book.

Frequently asked questions

How often are flights delayed at BLV?
27% of departures from Scott AFB/Midamerica Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 28 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from BLV?
Flights scheduled around 10 a.m. depart on time 86% of the time at BLV, versus 54% around 8 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at BLV?
In this dataset, July 2024 was the weakest month at BLV, with 63% of departures on time.
How often are flights cancelled at BLV?
1.4% of scheduled departures from BLV were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 2,606 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.